Alpine Weather in December
Average highs run from 32°F on December 1 to 27°F on December 31, and lows from 10°F to 6°F. Normal precipitation for the month is 2.10 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
- 28°F
- Average low
- 7°F
- Precipitation
- 2.10 in
- Record high
- 60°FDec 3, 2021
- Record low
- -37°FDec 22, 1990
- Chance of a freeze
- 100%
- Daylight
- 9 h 14 min to 9 h 03 min
- Cloud cover
- 65%
- Humidity
- 95%
- Dew point
- 14°F
- Wind
- 5.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 32°F | 10°F | 53°F 1995 | -14°F 1991 | 40% |
| Dec 2 | 32°F | 10°F | 53°F 2021 | -10°F 2006 | 40% |
| Dec 3 | 31°F | 9°F | 60°F 2021 | -15°F 1984 | 40% |
| Dec 4 | 31°F | 9°F | 54°F 2021 | -16°F 1992 | 40% |
| Dec 5 | 30°F | 9°F | 52°F 2021 | -13°F 2013 | 40% |
| Dec 6 | 30°F | 8°F | 52°F 2021 | -23°F 2005 | 40% |
| Dec 7 | 30°F | 8°F | 46°F 2008 | -27°F 2005 | 40% |
| Dec 8 | 29°F | 8°F | 48°F 1976 | -24°F 2005 | 40% |
| Dec 9 | 29°F | 7°F | 49°F 1975 | -21°F 2013 | 40% |
| Dec 10 | 29°F | 7°F | 52°F 2015 | -20°F 2013 | 40% |
| Dec 11 | 29°F | 7°F | 48°F 1993 | -20°F 1985 | 41% |
| Dec 12 | 28°F | 7°F | 47°F 2014 | -17°F 1997 | 41% |
| Dec 13 | 28°F | 7°F | 55°F 2014 | -14°F 1978 | 41% |
| Dec 14 | 28°F | 6°F | 44°F 2010 | -15°F 1987 | 41% |
| Dec 15 | 28°F | 6°F | 48°F 1979 | -14°F 1987 | 41% |
| Dec 16 | 28°F | 6°F | 43°F 1979 | -12°F 2010 | 41% |
| Dec 17 | 27°F | 6°F | 44°F 1994 | -13°F 2006 | 41% |
| Dec 18 | 27°F | 6°F | 40°F 1979 | -17°F 2006 | 41% |
| Dec 19 | 27°F | 6°F | 44°F 1979 | -16°F 1998 | 41% |
| Dec 20 | 27°F | 6°F | 45°F 2023 | -24°F 1990 | 41% |
| Dec 21 | 27°F | 6°F | 45°F 1982 | -34°F 1990 | 41% |
| Dec 22 | 27°F | 6°F | 43°F 2005 | -37°F 1990 | 41% |
| Dec 23 | 27°F | 6°F | 40°F 2005 | -28°F 1990 | 41% |
| Dec 24 | 27°F | 6°F | 41°F 2003 | -20°F 1987 | 41% |
| Dec 25 | 27°F | 6°F | 43°F 1979 | -14°F 2001 | 41% |
| Dec 26 | 27°F | 6°F | 45°F 1976 | -13°F 1997 | 41% |
| Dec 27 | 27°F | 6°F | 45°F 1980 | -19°F 2015 | 41% |
| Dec 28 | 27°F | 6°F | 46°F 1980 | -22°F 1982 | 41% |
| Dec 29 | 27°F | 6°F | 43°F 2008 | -29°F 1990 | 41% |
| Dec 30 | 27°F | 6°F | 45°F 2017 | -32°F 1978 | 41% |
| Dec 31 | 27°F | 6°F | 46°F 2011 | -32°F 1978 | 41% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:36 AM, sunset 4:50 PM
- December 31
- sunrise 7:56 AM, sunset 4:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00480603 (Bedford 3 Se), public domain. Records: NOAA GHCN-Daily, station USC00480603, 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.