Aspen Weather in December
Average highs run from 35°F on December 1 to 31°F on December 31, and lows from 14°F to 9°F. Normal precipitation for the month is 2.00 in over about 12 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 32°F
- Average low
- 10°F
- Precipitation
- 2.00 in
- Snowfall
- 27.5 in
- Record high
- 59°FDec 1, 1998
- Record low
- -21°FDec 8, 2005
- Chance of a freeze
- 100%
- Daylight
- 9 h 37 min to 9 h 27 min
- Cloud cover
- 59%
- Humidity
- 89%
- Dew point
- 7°F
- Wind
- 5.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 35°F | 14°F | 59°F 1998 | -6°F 2004 | 36% | 33% |
| Dec 2 | 35°F | 13°F | 57°F 2021 | -7°F 2004 | 37% | 33% |
| Dec 3 | 34°F | 13°F | 55°F 2017 | -10°F 2006 | 37% | 33% |
| Dec 4 | 34°F | 13°F | 54°F 1998 | -9°F 2009 | 37% | 34% |
| Dec 5 | 34°F | 12°F | 52°F 2012 | -19°F 2013 | 37% | 34% |
| Dec 6 | 33°F | 12°F | 53°F 2003 | -12°F 2013 | 38% | 34% |
| Dec 7 | 33°F | 12°F | 48°F 2020 | -15°F 2005 | 38% | 34% |
| Dec 8 | 33°F | 11°F | 48°F 2015 | -21°F 2005 | 38% | 35% |
| Dec 9 | 33°F | 11°F | 49°F 2014 | -13°F 2009 | 38% | 35% |
| Dec 10 | 32°F | 11°F | 54°F 2015 | -14°F 2013 | 38% | 35% |
| Dec 11 | 32°F | 11°F | 52°F 2017 | -8°F 2009 | 39% | 35% |
| Dec 12 | 32°F | 10°F | 52°F 2017 | -2°F 2013 | 39% | 36% |
| Dec 13 | 32°F | 10°F | 50°F 2014 | -7°F 2001 | 39% | 36% |
| Dec 14 | 32°F | 10°F | 51°F 2021 | -10°F 2008 | 39% | 36% |
| Dec 15 | 31°F | 10°F | 49°F 2016 | -16°F 2008 | 40% | 36% |
| Dec 16 | 31°F | 10°F | 46°F 2024 | -9°F 2022 | 40% | 37% |
| Dec 17 | 31°F | 10°F | 50°F 2025 | -12°F 2022 | 40% | 37% |
| Dec 18 | 31°F | 10°F | 46°F 1998 | -9°F 2016 | 40% | 37% |
| Dec 19 | 31°F | 9°F | 57°F 2025 | -9°F 2016 | 40% | 37% |
| Dec 20 | 31°F | 9°F | 51°F 2017 | -14°F 2012 | 41% | 37% |
| Dec 21 | 31°F | 9°F | 56°F 2025 | -16°F 1998 | 41% | 37% |
| Dec 22 | 31°F | 9°F | 59°F 2025 | -16°F 1998 | 41% | 37% |
| Dec 23 | 31°F | 9°F | 53°F 2025 | -10°F 2004 | 41% | 38% |
| Dec 24 | 31°F | 9°F | 57°F 2025 | -10°F 2004 | 41% | 38% |
| Dec 25 | 31°F | 9°F | 51°F 2025 | -5°F 2023 | 41% | 38% |
| Dec 26 | 31°F | 9°F | 50°F 2025 | -8°F 2007 | 41% | 38% |
| Dec 27 | 31°F | 9°F | 47°F 2022 | -10°F 2008 | 41% | 38% |
| Dec 28 | 31°F | 9°F | 44°F 2017 | -13°F 2007 | 41% | 38% |
| Dec 29 | 31°F | 9°F | 50°F 2017 | -12°F 2012 | 41% | 38% |
| Dec 30 | 31°F | 9°F | 49°F 2011 | -9°F 2019 | 41% | 38% |
| Dec 31 | 31°F | 9°F | 55°F 2005 | -11°F 2010 | 41% | 38% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:08 AM, sunset 4:45 PM
- December 31
- sunrise 7:27 AM, sunset 4:54 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00050372 (Aspen 1SW), public domain. Records: NOAA GHCN-Daily, station USW00093073, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.