Aspen December Weather

Averages and records for weather in Aspen, Colorado in the month of December.
Typical Aspen December Weather
1991–2020
Average daily high 33.1 °F
Average daily low 8.2 °F
Average monthly precipitation 1.0 inches
Daily chance of precipitation 36.5%
Aspen December Weather Records
1899–2024
Highest temperature 62 °F December 4, 1941
Lowest temperature -23 °F December 18, 1996
Highest daily low 40 °F December 9, 1977
Lowest daily high 2 °F December 8, 1978
Hottest average high temperature 45.2 °F 1980
Coldest average high temperature 25.8 °F 2009
Most daily precipitation 2.1 inches December 6, 1966
Most monthly precipitation 4.9 inches 1983
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
December 1 37.6 12.4 59 -6
December 2 37.2 12.0 57 -7
December 3 36.8 11.6 55 -10
December 4 36.4 11.3 62 -9
December 5 35.9 10.9 60 -19
December 6 35.5 10.6 59 -12
December 7 35.2 10.2 58 -15
December 8 34.9 10.0 54 -21
December 9 34.6 9.8 56 -15
December 10 34.3 9.4 59 -14
December 11 34.0 9.1 61 -13
December 12 33.7 8.8 54 -19
December 13 33.5 8.5 55 -15
December 14 33.3 8.3 59 -12
December 15 33.1 8.2 51 -16
December 16 33.0 8.1 55 -9
December 17 32.8 7.9 59 -14
December 18 32.7 7.6 55 -23
December 19 32.5 7.5 51 -17
December 20 32.5 7.4 51 -14
December 21 32.4 7.3 49 -16
December 22 32.3 7.3 54 -16
December 23 32.3 7.3 55 -19
December 24 32.2 7.2 52 -21
December 25 32.2 7.2 48 -16
December 26 32.1 7.2 50 -18
December 27 32.1 7.2 50 -19
December 28 32.1 7.2 52 -20
December 29 32.2 7.2 50 -16
December 30 32.2 7.2 49 -12
December 31 32.2 7.2 55 -19
Weather Station Details
Years Station Coordinates
1998–2024 Aspen Pitkin County Airport location
1980–1998 Aspen 1SW location
1899–1979 Aspen location