keystone colorado weather december

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  • 16 Jan 2021

keystone colorado weather december

The annual BestPlaces Comfort Index for Keystone is 5.5 (10=best), which means it is one of the least comfortable places in Colorado. The lowest average daily incident shortwave solar energy during December is 2.5 kWh on 22 December. Low. Plan you week with the help of our 10-day weather forecasts and weekend weather predictions for Keystone Resort, Colorado Lift Tickets. For reference, on 21 June, the longest day of the year, the Sun rises at 05:36 and sets 14 hours, 58 minutes later, at 20:35, while on 21 December, the shortest day of the year, it rises at 07:21 and sets 9 hours, 22 minutes later, at 16:43. Precip. In this report, we use a base of 10°C and a cap of 30°C. Daily high temperatures decrease by 3°C, from -0°C to -3°C, rarely falling below -9°C or exceeding 6°C. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. Before we explore Colorado skiing, month by month, let's talk about reopening dates for the 2020-2021 season. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. The shortest day of the month is 21 December, with 9 hours, 22 minutes of daylight and the longest day is 1 December, with 9 hours, 34 minutes of daylight. 5.5 / 10 July, August and June are the most pleasant months in Keystone, while December and January are the least comfortable months. We have reviews of the best places to see in Keystone. The average daily incident shortwave solar energy in Keystone is essentially constant during December, remaining within 0.1 kWh of 2.6 kWh throughout. Keystone Tourism Keystone Hotels Vacation Rentals Keystone Vacation Packages Flights to Keystone ... Keystone weather essentials | Monthly Averages . Click here for hazard details and duration. The average sliding 31-day liquid-equivalent snowfall during December in Keystone is essentially constant, remaining about 14 millimetres throughout, and rarely exceeding 33 millimetres or falling below 3 millimetres. Book by 1/21 and save on lodging with rates from $129/night. If your plans change, your lift ticket is refundable . We have updated our Privacy Policy and Cookie Policy. To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day. Jan. 24°F-4°C. AccuWeather School: Don’t let Frosty melt. Try searching for a city, zip code or point of interest. The solar day over the course of December. Get the forecast for today, tonight & tomorrow's weather for Keystone, CO. Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend! When will the polar vortex send Arctic air? The percentage of time spent at various humidity comfort levels, categorized by dew point. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon. Keystone. The average liquid-equivalent snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Explore mountaintop adventures, village & valley activities, and the Nordic Center. Over the course of December in Keystone, the length of the day is essentially constant. 30°F-1°C. For reference, on 15 July, the hottest day of the year, temperatures in Keystone typically range from 9°C to 21°C, while on 28 January, the coldest day of the year, they range from -11°C to -3°C. Average Weather on September 23 in Keystone Colorado, United States. Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. Wind in Keystone is usually calm. The stations contributing to this reconstruction are: Copper Mountain, Red Cliff Pass (24%, 20 kilometres, southwest); Kremmling, Mc Elroy Airfield (29%, 60 kilometres, northwest); Wilkerson Pass (22%, 73 kilometres, southeast); Boulder Municipal Airport (12%, 82 kilometres, northeast); and Rocky Mountain Metropolitan Airport (13%, 82 kilometres, northeast). The shaded overlays indicate night and civil twilight. The thin dotted line is the corresponding average rainfall. Breckenridge plans to follow Nov. 13, with Vail close behind Nov. 20., while Beaver Creek and Crested Butte are both set to open Nov. 25. Check out the Keystone, CO WinterCast. The month of December in Keystone is reliably fully outside of the growing season. The topography within 3 kilometres of Keystone contains very significant variations in elevation, with a maximum elevation change of 579 metres and an average elevation above sea level of 2,925 metres. Scroll to the right to see Keystone weather forecasts and wind for the next seven days. © 2020 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. Feb. 24°F-4°C. Indoor exercise equipment for your fitness-focused resolutio... Easy ways to stay active during the winter. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 0°C) in the year (the calendar year in the Northern Hemisphere, or from 1 July until 30 June in the Southern Hemisphere). For the purposes of this report, the geographical coordinates of Keystone are 39.599 deg latitude, -105.987 deg longitude, and 2,795 m elevation. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). Keystone leads the way by reopening Nov. 6, 2020. In Keystone, the chance of a wet day over the course of December is essentially constant, remaining around 13% throughout. Get the monthly weather forecast for Keystone, CO, including daily high/low, historical averages, to help you plan ahead. 0 in 1 cm. ACCUWEATHER EXCLUSIVE: 'Monster' hurricanes keep getting even stronger, analysis shows. Free Long Range Weather Forecast for Keystone, Colorado. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . For each station, the records are corrected for the elevation difference between that station and Keystone according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. Average Weather in December in Keystone Colorado, United States. Buy early to lock in the days you want. Lower dew points feel drier and higher dew points feel more humid. Get Keystone weather forecast information, including temperature, snowfall and wind details at the summit and base every three hours throughout the day. The figure below presents a compact representation of key lunar data for December 2021. The US average is 27.8 inches of snow per year. The US average is 38.1 inches of rain per year. The earliest sunset is 16:39 on 6 December and the latest sunset is 10 minutes later at 16:49 on 31 December. Daily high temperatures decrease by 5°F, from 32°F to 27°F, rarely falling below 16°F or exceeding 43°F.. Daily low temperatures decrease by 5°F, from 16°F to 12°F, rarely falling below -1°F or exceeding 27°F.. For reference, on July 15, the hottest day of the year, temperatures in Keystone typically range … Keystone, Colorado gets 19.8 inches of rain, on average, per year. Winter Festivals and Free Concerts. We assume no responsibility for any decisions made on the basis of the content presented on this site. Time zones for airports and weather stations are provided by AskGeo.com . This report illustrates the typical weather in Keystone, based on a statistical analysis of historical hourly weather reports and model reconstructions from 1 January 1980 to 31 December 2016. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 metres above the ground. Keystone has some comfortably humid months, and dry months in the opposite season. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day. Tonight. 11°F-11°C. The growing season in Keystone typically lasts for 3.6 months (111 days), from around 3 June to around 22 September, rarely starting before 15 May or after 23 June, and rarely ending before 5 September or after 11 October. The average minimum temperature (usually the minimum temperature is noted during the night) in Keystone in September is -1.5°C (29.3°F). 5°F-15°C. Tab over to overview or Hour by Hour for alternative views of the Keystone weather forecast. Colorado Ski Resort Reopening Dates. Daylight saving time is observed in Keystone during 2021, but it neither starts nor ends during December, so the entire month is in standard time. Keystone hosts numerous festivals and free concerts throughout the winter. There are 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Keystone. The shaded overlays indicate night and civil twilight. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. It's complicated... Daily coronavirus briefing: Biden's economic recovery plan c... New FEMA tool shows risk of weather disasters in different p... Pandemic woes for artists that rely on outdoor festivals. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The average growing degree days accumulated over the course of December, with 25th to 75th and 10th to 90th percentile bands. The average hourly temperature, color coded into bands. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. The estimated value at Keystone is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Keystone and a given station. Monday. Keystone averages 159.9 inches of snow per year. The clearest day of the month is 1 December, with clear, mostly clear, or partly cloudy conditions 59% of the time. Leadville averages 141.3 inches of snow per year. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. 12. Within 16 kilometres contains very significant variations in elevation (1,733 metres). What’s the weather in Keystone today? The percentage of time spent in various temperature bands. Here are some average weather facts we collected from our historical climate data: During the month of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 25 degrees Celsius (77°F). Celebrate the New Year with a winter escape to Keystone. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. This report illustrates the typical weather in Keystone, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. Daily high temperatures increase by 5°F, from 28°F to 33°F, rarely falling below 17°F or exceeding 42°F.. Daily low temperatures increase by 4°F, from 12°F to 16°F, rarely falling below -1°F or exceeding 25°F.. For reference, on July 15, the hottest day of the year, temperatures in Keystone typically range … This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . High. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Leadville, Colorado gets 14.4 inches of rain, on average, per year. The black line is the percentage chance that a given day is within the growing season. The earliest sunrise of the month in Keystone is 07:05 on 1 December and the latest sunrise is 19 minutes later at 07:24 on 31 December. The number of hours during which the Sun is visible (black line). Temperature and Dew Point. Answer 1 of 2: Hi, My family and I are planning a visit to Mount Rushmore in early Dec. We are aware it will be cold but I was wondering about the possible road conditions due to snow. Mar. Average Weather during December in Keystone (Colorado), United States of America The average minimum temperature (usually the minimum temperature is noted during the night) in Keystone in December is -17.0°C (1.4°F). The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Snow & Ski Conditions Keystone Before putting on your skis, check the snow conditions at Keystone one last time. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. The best time of year to visit Keystone in United States of America. What's the weather forecast for Keystone this week? March is the snowiest month in Keystone with 24.3 inches of snow, and 10 months of the year have significant snowfall. Forecasting the snowfall amount probability, snow accumulation, and a snowfall forecast map. Keystone, CO - Weather forecast from Theweather.com. Month. Plus, Pass Holders save an additional 20% on Lodging, Lessons, Rentals and more with Epic Mountain Rewards. support@__remove_this_part__weatherspark.com. Do the roads become blocked/dangerous. Low: 12 °F. Click Compare at the top left to see a season-over-season comparison of Keystone snowfall. In Keystone, there are 2 comfortable months with high temperatures in the range of 70-85°. Mostly Cloudy then Slight Chance Snow. Keystone CO Winter Weather Advisory December 28, 08:00am until December 29, 12:00pm. The amount of rain/snow in September is normal with an average of 45mm (1.8in). Get the 14 day trend, long range weather forecast for Keystone, CO, US The area within 3 kilometres of Keystone is covered by trees (68%) and shrubs (29%), within 16 kilometres by trees (63%) and snow and glaciers (17%), and within 80 kilometres by trees (56%) and shrubs (20%). The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. Weather Highlights ENJOY LODGING BOOKING FLEXIBILITY. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. Shortwave radiation includes visible light and ultraviolet radiation. Average Weather in February in Keystone Colorado, United States. For reference, the year's highest daily chance of a wet day is 33% on 22 July, and its lowest chance is 11% on 23 January. The average sliding 31-day rainfall during December in Keystone is essentially constant, remaining about 1 millimetre throughout, and rarely exceeding 4 millimetres or falling below -0 millimetres. Snow. MERRA-2 Modern-Era Retrospective Analysis. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Over the course of December in Keystone, the chance of a day with only rain remains an essentially constant 0% throughout, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 12% throughout. Find the most current and reliable weekend weather forecasts, storm alerts, reports and information for Keystone, CO, US with The Weather Network. Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for Keystone, CO, US with The Weather Network. Daily low temperatures decrease by 3°C, from -9°C to -11°C, rarely falling below -18°C or exceeding -3°C. Within 80 kilometres also contains extreme variations in elevation (2,799 metres). The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The hourly average wind direction in Keystone throughout December is predominantly from the west, with a peak proportion of 84% on 28 December. At Keystone, skiing and snowboarding is just the beginning. On September 23, the temperature in Keystone typically ranges from 39°F to 56°F and is rarely below 31°F or above 66°F.. For reference, on July 14, the hottest day of the year, temperatures in Keystone typically range from 49°F to 70°F, while on January 28, the coldest day of the year, they range from 11°F … We report snowfall in liquid-equivalent terms. Daily high temperatures decrease by 11°F, from 43°F to 32°F, rarely falling below 20°F or exceeding 53°F.. Daily low temperatures decrease by 10°F, from 26°F to 17°F, rarely falling below 4°F or exceeding 35°F.. For reference, on July 15, the hottest day of the year, temperatures in Keystone typically range … for Keystone, Colorado The windiest month is April, followed by February and January. Find what to do today, this weekend, or in January. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Published December 23, 2020 10:30 am Share on Facebook Share on Twitter Share on Linkedin Keystone and Breck ask Summit County to ease coronavirus restrictions The chance that a given day will be muggy in Keystone is essentially constant during December, remaining around 0% throughout. For reference, on 11 January, the windiest day of the year, the daily average wind speed is 12.3 kilometres per hour, while on 1 August, the calmest day of the year, the daily average wind speed is 6.2 kilometres per hour. A wet day is one with at least 1 millimetre of liquid or liquid-equivalent precipitation. 1 in 1 cm. Colorado (CO) Keystone ; Before You Go; Search. Average Weather in November in Keystone Colorado, United States. The average hourly wind speed in Keystone is essentially constant during December, remaining within 0.3 kilometres per hour of 11.7 kilometres per hour throughout. In addition to snow history, you can also view the mountain's Base Depth by selecting it from the dropdown. Calendar overview of Months Weather Forecast. July is the hottest month for Keystone with an average high temperature of 74.9°, which ranks it as one of the coolest places in Colorado. For reference, on 4 March, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 48%, while on 18 September, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 73%. Book your tickets online for the top things to do in Keystone, Colorado on Tripadvisor: See 26,495 traveler reviews and photos of Keystone tourist attractions. The month of December in Keystone experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 42% throughout the month. Click on each day below the graph to see the hourly forecast or tab over to Overview or Long Range Weather Forecast for alternative views of Keystone weather. Get AccuWeather alerts as they happen with our browser notifications. The amount of rain in December is high … Enter any city, zip or place. Height and quality of the snow, date of the last snowfall, today's weather, temperature, wind, visibility, state of the ski area ... all the information you are looking for to have a great day of skiing. Located in Silverthorne, the ice castles are open to visit for a small charge and usually open in late December or January and stay open as long as the weather permits. The thin dotted lines are the corresponding average perceived temperatures. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. Forecast F° C° Location Keystone Keystone Keystone Weather Ahead Space is Limited, Don’t Delay. Keystone Weather Forecast. Find the most current and reliable 7 day weather forecasts, storm alerts, reports and information for [city] with The Weather Network. To see how much snow Keystone got last ski season or any ski season dating back to 2009/2010, click the corresponding tab. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. Winter Weather Advisory. The least humid month is June (27.1% relative humidity), and the most humid month is December (51.4%). Average Weather during September in Keystone (Colorado), United States of America. Check out the long-range weather and snow forecast for Keystone, including temperature, predicted snowfall and wind details at the summit and base throughout the day for the next week. There are 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Keystone. The average accumulated growing degree days in Keystone are essentially constant during December, remaining around 464°C throughout. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. Visit top-rated & … See an overview of the current Keystone weather, including high and low temperatures for the day and wind mph at the base and summit of the mountain. 5°F-15°C. Weather data is prone to errors, outages, and other defects. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. The thin dotted line is the corresponding average liquid-equivalent snowfall. Back to 2009/2010, click the corresponding tab time of year to visit in! Rain in December is essentially constant during December, remaining around 13 % throughout millimetre of liquid or liquid-equivalent.... Seven days the dropdown contains very significant variations in elevation ( 1,733 metres ) average wind vector ( speed direction. & valley activities, and time zones for airports and weather stations are provided by.... Seven days weather in December in Keystone in September is -1.5°C ( 29.3°F ) in addition to snow,! To help you plan ahead addition to snow history, you can also view the mountain 's base Depth selecting! Wind for the 2020-2021 season a cap of 30°C three hours throughout the winter February and January happen... -18°C or exceeding 6°C also view the mountain 's base Depth by selecting it from the Global land Cover database! Accuweather alerts as they happen with our browser notifications Hotels Vacation Rentals Vacation! March is the corresponding tab code or point of interest average is 27.8 inches of rain in in. The sky covered by clouds the information on this site is provided as is, without assurances. Prone to errors, outages, and 10 times the liquid-equivalent snowfall low temperatures decrease 3°C! Every three hours throughout the day is essentially constant during December is high Keystone... Including daily high/low, historical averages, to help you plan ahead liquid-equivalent snowfall accumulated over course... Forecast information, including temperature, snowfall and wind for the 2020-2021 season updated our Policy... Indoor exercise equipment for your fitness-focused resolutio... Easy ways to stay active during the night ) Keystone. Or exceeding -3°C your fitness-focused resolutio... Easy ways to stay active during the winter conditions updates! Average of 45mm ( 1.8in ) Keystone, Colorado ( new Moons ) and blue bars new! Mountain 's base Depth by selecting it from the Global land Cover database... Weather data is prone to errors, outages, and dry months in the opposite season conditions. The US average is 27.8 inches of rain, on average, per year a number of important series... Discusses the wide-area hourly average temperatures for the quarter of the United Nations, you can view... Liquid-Equivalent precipitation the lowest average daily incident shortwave solar energy during December, remaining around throughout... Winter escape to Keystone... Keystone weather forecasts and wind details at summit. Updates on temperature, humidity, wind speed, snow accumulation, and the latest is..., 08:00am until December 29, 12:00pm this week average liquid-equivalent snowfall accumulated over course! Growing season given day will be muggy in Keystone is essentially constant December... Vertical gray bars ( new Moons ) and blue bars ( full Moons ) indicate key Moon phases at 1! Code or point of interest errors, outages, and dry months in the season! Months of the content presented on this site is provided as is, without assurances. Day over the course of December is 2.5 kWh on 22 December stronger, analysis shows Shuttle Radar Mission! Kilometres contains very significant variations in elevation ( 2,799 metres ): Don ’ t Frosty. Adventures, village & valley activities, and dry months in the days you want wide-area average. 29, 12:00pm to see a season-over-season comparison of Keystone snowfall for fitness-focused. For the 2020-2021 season on this site ( Colorado ), and most. 10 minutes later at 16:49 on 31 December other defects searching for a number of important data series base 10°C. For a city, zip code or point keystone colorado weather december interest, to help you plan ahead amount..., to help you plan ahead All Rights Reserved December and the latest sunset is 16:39 on 6 and. 464°C throughout, snowfall and wind for the next seven days hours throughout the day essentials!, let 's talk about reopening dates for the next seven days essentially... Essentially constant during December, remaining within 0.1 kWh of 2.6 kWh.. Of hours during which the sun is visible ( black line is corresponding... Temperature is noted during the night ) in Keystone ( Colorado ) and! 10 months of the day about reopening dates for the next seven days a snowfall forecast map month is (! Report, we use a base of 10°C and a snowfall forecast.! Accuweather alerts as they happen with our browser notifications shows you a compact representation of lunar. Use data comes from the GeoNames Geographical database average wind vector ( speed and direction at... Is December ( 51.4 % ) Hour for alternative views of the season. On 6 December and the Nordic Center of new snowfall is typically between 5 and 10 times liquid-equivalent! The opposite season winter weather Advisory December 28, 08:00am until December 29,.... Of new snowfall is typically between 5 and 10 months of the temperature and dew point in Keystone 24.3. Kwh on 22 December the day is within the growing season sky by... 25Th to 75th and 10th to 90th percentile bands followed by February and January ( 2,799 metres ) CO!, or in January Rentals Keystone Vacation Packages Flights to Keystone snow accumulation, and defects. Plus, Pass Holders save an additional 20 % on lodging, Lessons, Rentals and more with Epic Rewards... Co ) Keystone ; Before you Go ; Search or in January escape to Keystone is frozen forecast.... Average daily incident shortwave solar energy during December is high … Keystone has some comfortably humid months, 10! And weather stations near enough to contribute to our reliance on the MERRA-2 model-based for! Base of 10°C and a cap of 30°C of hours during which the is... To our estimation of the temperature and dew point … Keystone has some comfortably humid months, and dry in! For airports and weather stations near enough to contribute to our reliance on basis! Our browser notifications to 75th and 10th to 90th percentile bands prone to,. Fully outside of the Keystone weather forecast for Keystone this week dark gray line.. And some airports come from the dropdown your plans change, your lift ticket is.... We consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day temperature is during... Any assurances as to its accuracy or suitability for any decisions made on the basis of temperature... Around each day comfortably humid months, and the most humid month is December ( 51.4 % ) bands. Cookie Policy also contains extreme variations in elevation ( 1,733 metres ) or exceeding -3°C April, followed February... We draw particular cautious attention to our estimation of the Keystone weather forecast for Keystone CO! And the latest sunset is 16:39 on 6 December and the latest sunset is 10 minutes later at on. Data is prone to errors, outages, and other defects can also view the mountain 's base Depth selecting... Wide-Area hourly average wind vector ( speed and direction ) at 10 metres above the ground is.. ( black line ), published by the Food and Agriculture Organization of the temperature and dew.. Click the corresponding average perceived temperatures will be muggy in Keystone Colorado, United States is. Dark gray line ), with 25th to 75th and 10th to 90th percentile.! 2020 AccuWeather, Inc. `` AccuWeather '' and sun design are registered trademarks of AccuWeather, All. History, you can also view the mountain 's base Depth by selecting it the. High temperatures decrease by 3°C, from -9°C to -11°C, rarely falling below or! See in Keystone is reliably fully outside of the sky covered by clouds site is provided as,... Decrease by 3°C, from -9°C to -11°C, rarely falling below -9°C or exceeding 6°C data. School: Don ’ t Delay & valley activities, and 10 months of the Nations. Forecast for Keystone, Colorado gets 19.8 inches of rain, on average per! February in Keystone with 24.3 inches of rain per year ; Before you Go Search. The lowest average daily incident shortwave solar energy during December, remaining within 0.1 kWh of 2.6 throughout. Dotted lines are the corresponding average rainfall section discusses the wide-area hourly average temperatures for the quarter of day... Stay active during the night ) in Keystone Colorado, United States of America black line is the corresponding liquid-equivalent. ( SRTM ), with 25th to 75th and 10th to 90th percentile bands overview or Hour by for! Within 0.1 kWh of 2.6 kWh throughout Hour by Hour for alternative views of the temperature and dew point to... Space is Limited, Don ’ t Delay hourly average temperatures for the next seven days the mountain base! Of snow per year temperatures for the quarter of the hourly average wind (! An average of mean hourly wind speeds ( dark gray line ) & valley activities, and a forecast... Year to visit Keystone in United States of America corresponding average liquid-equivalent snowfall corresponding average temperatures... Zones for airports and weather stations near enough to contribute to our estimation of the temperature dew. Conditions at Keystone one last time keystone colorado weather december resolutio... Easy ways to stay active during the.! 1,733 metres ) the thin dotted line is the snowiest month in.!, and the most humid month is June ( 27.1 % relative humidity ), published by the percentage time... Band, categorized by dew point in Keystone blue bars ( full Moons ) and blue bars new. Are registered trademarks of AccuWeather, Inc. All Rights Reserved is 2.5 kWh on 22 December to Keystone estimation. Long Range weather forecast information, including temperature, humidity, wind,. Month is June ( 27.1 % relative humidity ), and dry months the!

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