Learn more about the current weather and five-day forecast for the four mountains of Aspen Snowmass ski resort in Colorado. Days per month on average in Aspen when the minimum temperature drops to 32, 20, or 10 °F or below The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. On February 12, the cloudiest day of the year, the sky is overcast or mostly cloudy 51% of the time, and clear, mostly clear, or partly cloudy 49% of the time. 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. The summer weather in Aspen starts around June or July where temperatures reach 26°C / 80°F during the day, although temperatures are much cooler during the night. The coldest day of the year is January 28, with an average low of 7°F and high of 29°F. The winters can be very cold and the summers can be mild in temperature. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Click on each chart for more information. The rainless period of the year lasts for 5.2 months, from November 4 to April 11. Date Time (MST) Flight Rules Wind Dir. In Aspen, there are 3 comfortable months with high temperatures in the range of 70-85°. The height of fall color — when the aspen trees turn gold — is late September and the first few days of October. Monthly: 1981-2010 normals History: 2007-2019. Based on this score, the best time of year to visit Aspen for hot-weather activities is from late June to late July, with a peak score in the first week of July. The average hourly temperature, color coded into bands. The windiest day of the year is April 10, with an average hourly wind speed of 6.2 miles per hour. The length of the day in Aspen varies significantly over the course of the year. In Aspen, there are 3 comfortable months with high temperatures in the range of 70-85°. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. 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. On September 18, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 75% of the time, and overcast or mostly cloudy 25% of the time. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. Thank you for reporting this station. The predominant average hourly wind direction in Aspen is from the west throughout the year. In this report, we use a base of 50°F and a cap of 86°F. The windier part of the year lasts for 8.0 months, from October 21 to June 21, with average wind speeds of more than 5.1 miles per hour. Showing: All Year January February March April May June July August September October November December The calmer time of year lasts for 4.3 months, from June 21 to October 31. To characterize how pleasant the weather is in Aspen throughout the year, we compute two travel scores. July is the hottest month for Aspen with an average high temperature of 79.6°, which ranks it as cooler than most places in Colorado. support@__remove_this_part__weatherspark.com. In Aspen, the summers are comfortable and dry, the winters are freezing and snowy, and it is partly cloudy year round. We receive almost 300 days of sunshine a year! The drier season lasts 1.8 months, from May 14 to July 8. The city averages 33 days a year that never warm up to above freezing, including about one-third of winter days. Time zones for airports and weather stations are provided by AskGeo.com . The climate in Aspen offers mild weather with low humidity and year-round sunshine, making Aspen a particularly popular holiday destination. Within 10 miles contains large variations in elevation (6,437 feet). Mixed snow and rain is the most common for 1.3 months, from April 2 to April 29 and from October 27 to November 8. 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. The estimated value at Aspen is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Aspen and a given station. The cloudier part of the year begins around November 5 and lasts for 6.7 months, ending around May 28. 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. However, within these patterns of "normal" weather, anything can happen. For the purposes of this report, the geographical coordinates of Aspen are 39.191 deg latitude, -106.818 deg longitude, and 8,904 ft elevation. Aspen weather averages and climate Aspen, Colorado. Abbreviations. Aspen Weather Cams. Aspen: April 49/20 May 61/29 June 72/34 July 79/40 August 77/39 September 69/32. high : Average high in ºF - Av.low : Average low in ºF - Av. The solar day over the course of the year 2020. Road Conditions: Dial 511 in Colorado.. Colorado Department of Transportation Travel Center (road conditions/closures, winter driving tips, rest areas, etc.) Average precipitation in : Av. Today’s and tonight’s Aspen, CO weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.com Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. Averages are for Aspen-Pitkin County Airport, which is 4 miles from Aspen. (Weather station: Aspen-Pitkin County Airport, USA). The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. Email Us; 800-525-6200; Sign up Email signup. The figure below shows you a compact characterization of the entire year of hourly average temperatures. There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Aspen. 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 area within 2 miles of Aspen is covered by trees (68%) and shrubs (30%), within 10 miles by trees (73%) and shrubs (13%), and within 50 miles by trees (58%) and shrubs (22%). MERRA-2 Modern-Era Retrospective Analysis. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. What’s the weather in Aspen Snowmass today? : Days with precipitation - Hours sun. Short afternoon rain showers are not uncommon during warm … For each station, the records are corrected for the elevation difference between that station and Aspen according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. 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). Monthly temperature, precipitation and hours of sunshine. Aspen, CO Weather Calendar star_ratehome. Based on this categorization, the most common form of precipitation in Aspen changes throughout the year. Snowing Light winds 26 °F ASE Terminal Area Forecast. Current conditions at 082E038 ASPEN-CEMETERY LANE (CO100) Lat: 39.19581°NLon: 106.83577°WElev: 7926ft. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. The shaded overlays indicate night and civil twilight. Aspen experiences some seasonal variation in monthly liquid-equivalent snowfall. Based on this score, the best time of year to visit Aspen for general outdoor tourist activities is from late June to mid August, with a peak score in the first week of July. For more than 20 years Earth Networks has operated the world’s largest and most comprehensive weather observation, lightning detection, and climate networks. The number of hours during which the Sun is visible (black line). The earliest sunset is at 4:44 PM on December 7, and the latest sunset is 3 hours, 53 minutes later at 8:37 PM on June 27. Speed Type Height AGL (ft) Visibility Remarks; The most rain falls during the 31 days centered around September 18, with an average total accumulation of 1.2 inches. The growing season in Aspen typically lasts for 2.8 months (86 days), from around June 16 to around September 10, rarely starting before May 27 or after July 8, and rarely ending before August 23 or after September 27. The warm season lasts for 3.4 months, from June 1 to September 14, with an average daily high temperature above 64°F. The hottest day of the year is July 7, with an average high of 73°F and low of 43°F. Daylight saving time (DST) is observed in Aspen during 2020, starting in the spring on March 8, lasting 7.8 months, and ending in the fall on November 1. Learn more about the current weather and five-day forecast for the four mountains of Aspen Snowmass ski resort in Colorado. A climate graph showing rainfall, temperatures and normals. The clearer part of the year in Aspen begins around May 28 and lasts for 5.2 months, ending around November 5. 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 (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). Temperatures of 100 °F (38 °C) or more are not at all normal here. : Average precipitation in inch - DP : Days with precipitation - Sun : Hours of sunshine, Monthly averages AspenLongitude: -106.81, Latitude: 39.18Average weather Aspen, CO - 81611, Monthly: 1981-2010 normalsHistory: 2007-2019. 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. Aspen experiences some seasonal variation in monthly rainfall. The thin dotted lines are the corresponding average perceived temperatures. The National Weather Service issued a winter weather advisory Saturday for areas around Aspen, the Elk Mountains and central Colorado with snow expected above 9,000 feet until 6 a.m. Sunday. The brightest day of the year is June 16, with an average of 8.3 kWh. The highest chance of a day with snow alone is 15% on December 10. In addition, it's typically cloudy throughout the year. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. The highest chance of a day with rain alone is 29% on July 30. Always dress in layers when you are in Colorado. Over the course of the year, the temperature typically varies from 7°F to 73°F and is rarely below -7°F or above 80°F. The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. Based on the tourism score, the best time of year to visit Aspen for warm-weather activities is from late June to mid August. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Colorado Weather Resources. Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter. Monthly: 1981-2010 normals History: 2008-2019 As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Over the course of the year, the temperature typically varies from 7°F to 73°F and is rarely below -7°F or above 80°F. Summer temperatures in the valleys reach into the 70’s and mid 80’s, with occasional afternoon thunderstorms and delightfully cool evenings. : Average precipitation in inch - Days precip. This report illustrates the typical weather in Aspen, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. The cold season lasts for 3.5 months, from November 20 to March 5, with an average daily high temperature below 36°F. The figure below presents a compact representation of key lunar data for 2020. : Hours of sunshine, Hi : Average high in ºF - Lo : Average low in ºF - Pre. Based on weather reports collected during 1985–2015. Av. The least snow falls around July 31, with an average total liquid-equivalent accumulation of 0.0 inches. The calmest day of the year is July 31, with an average hourly wind speed of 4.0 miles per hour. 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. The high altitudes at Aspen mean cool nights year-round and strong sunshine in summer. Report Station. July is the hottest month for Aspen with an average high temperature of 79.6°, which ranks it as cooler than most places in Colorado. Eagle Nest Cam at Aspen Glen Colorado (via Coloradowebcam.net) Ice fog. The wetter season lasts 10 months, from July 8 to May 14, with a greater than 21% chance of a given day being a wet day. KASE/ASE Weather for Aspen-Pitkin County Airport - (Aspen, CO) ... Aspen-Pitkin County Airport (Aspen, CO) ASE Weather. 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. Station Data. The highest chance of a day with mixed snow and rain is 11% on April 27. The brighter period of the year lasts for 2.5 months, from May 11 to July 26, with an average daily incident shortwave energy per square meter above 7.2 kWh. Weather data is prone to errors, outages, and other defects. The windier part of the year lasts for 7.7 months, from October 31 to June 21, with average wind speeds of more than 5.7 miles per hour. The snowy period of the year lasts for 8.0 months, from September 25 to May 26, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most pleasant months of the year for Aspen are August, July and June. Typically just 15 days a year get that hot. The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. 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. In 2020, the shortest day is December 21, with 9 hours, 25 minutes of daylight; the longest day is June 20, with 14 hours, 56 minutes of daylight. The emphasis this year is on grab-and-go options at market-style eateries like the Sundeck at Aspen Mountain and Merry-Go-Round at Aspen Highlands. Aspen, CO has much to offer which can be enjoyed my many ethnic groups of the world that visit year round. March is the snowiest month in Aspen with 24.4 inches of snow, and 10 months of the year have significant snowfall. Based on growing degree days alone, the first spring blooms in Aspen should appear around May 27, only rarely appearing before May 17 or after June 8. The weather can be one of the factors that attract or detract different ethnic people to come to the town of Aspen. The most snow falls during the 31 days centered around December 21, with an average total liquid-equivalent accumulation of 1.0 inches. Aspen, CO . While that may mean you have to bundle up, it's also perfect for the ideal ski conditions that Aspen Colorado weather is famous for. Based on the tourism score, the best time of year to visit Aspen for warm-weather activities is from late June to mid August. Average High/Low SUMMER Temperatures. Shortwave radiation includes visible light and ultraviolet radiation. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Aspen area. The weather can change rapidly and you want to be prepared. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The smallest chance of a wet day is 13% on June 16. The earliest sunrise is at 5:40 AM on June 13, and the latest sunrise is 1 hour, 54 minutes later at 7:34 AM on October 31. See more current weather × 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. Days of Hot Weather in Colorado Springs. The transitions to and from daylight saving time are indicated by the 'DST' labels. day night Weather update from 082E038 ASPEN-CEMETERY LANE at 2020-10-24T14:04:00+00:00 Key findings The highest monthly average temperature in Aspen for July is 65 degrees 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 . 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