Climate Overview
The climate in Aspen Airport is cold. The average annual temperature is 1°C and approximately 686mm of precipitation falls per year. April is the wettest month, receiving around 79mm of rainfall. Aspen Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are December, January, November, when temperatures can drop to -15°C. Aspen Airport experiences heavy snowfall, typically from January through December.
Temperature
Aspen Airport has a wide annual temperature range, spanning 37°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 22°C with a mean of 14°C. December brings the harshest conditions, with lows dropping to -15°C and an average temperature of -10°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 8°C shift in average temperatures.
Precipitation
Aspen Airport is a relatively dry area, receiving approximately 686mm of precipitation annually, which averages out to around 57mm per month. The wettest month is April, averaging 79mm of rainfall. March and February also tend to see above-average precipitation. The driest month is June, with just 26mm. That's 53mm less than April, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Aspen Airport receives heavy snowfall, accumulating around 476cm annually from January through December. The snowiest month is March, with approximately 74cm. Winter travel should account for significant snow cover.
Wind
Aspen Airport is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
2 days until Summer
It is currently spring in Aspen Airport, which began on March 20, 2026. Aspen Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 22°C, while the coldest stretch bottoms out in December near -15°C. Summer is next, beginning on June 21, 2026 — 2 days from now.
Spring
Temperatures range from -8 to 10°C. Precipitation is moderate at around 211mm for the season, averaging 70mm per month. Winds are generally light, averaging 2km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 2 to 22°C. Rainfall is relatively light, with around 123mm over the season and a monthly average of 41mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -12 to 17°C. Rainfall is relatively light, with around 145mm over the season and a monthly average of 48mm. Expect around 93cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -15 to -1°C. Precipitation is moderate at around 208mm for the season, averaging 69mm per month. Expect around 206cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Monthly Climate Data
The table below shows monthly climate averages for Aspen Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
