Carbon County Weather in December
Average highs run from 39°F on December 1 to 35°F on December 31, and lows from 18°F to 12°F. Normal precipitation for the month is 0.37 in over about 3 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
- 36°F
- Average low
- 14°F
- Precipitation
- 0.37 in
- Snowfall
- 6.7 in
- Record high
- 69°FDec 3, 2021
- Record low
- -34°FDec 22, 1990
- Chance of a freeze
- 100%
- Daylight
- 9 h 00 min to 8 h 48 min
- Cloud cover
- 70%
- Humidity
- 70%
- Dew point
- 16°F
- Wind
- 8.5 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 | 39°F | 18°F | 66°F 1999 | -18°F 1985 | 9% | 7% |
| Dec 2 | 39°F | 17°F | 64°F 1995 | -22°F 1985 | 9% | 7% |
| Dec 3 | 39°F | 17°F | 69°F 2021 | -2°F 2009 | 9% | 7% |
| Dec 4 | 38°F | 17°F | 59°F 2012 | -9°F 1984 | 9% | 7% |
| Dec 5 | 38°F | 16°F | 57°F 2021 | -15°F 2013 | 9% | 8% |
| Dec 6 | 38°F | 16°F | 58°F 1981 | -15°F 2013 | 9% | 8% |
| Dec 7 | 37°F | 16°F | 63°F 1981 | -19°F 2013 | 9% | 8% |
| Dec 8 | 37°F | 16°F | 59°F 2008 | -20°F 2013 | 9% | 8% |
| Dec 9 | 37°F | 15°F | 62°F 2025 | -19°F 2009 | 9% | 8% |
| Dec 10 | 36°F | 15°F | 66°F 2025 | -16°F 2009 | 9% | 8% |
| Dec 11 | 36°F | 15°F | 67°F 2025 | -16°F 1985 | 9% | 8% |
| Dec 12 | 36°F | 15°F | 67°F 2025 | -15°F 2000 | 9% | 8% |
| Dec 13 | 36°F | 14°F | 52°F 2006 | -13°F 2016 | 8% | 8% |
| Dec 14 | 36°F | 14°F | 56°F 1988 | -15°F 2008 | 8% | 8% |
| Dec 15 | 35°F | 14°F | 67°F 2025 | -18°F 2008 | 8% | 8% |
| Dec 16 | 35°F | 14°F | 62°F 2025 | -17°F 2008 | 8% | 8% |
| Dec 17 | 35°F | 14°F | 66°F 2025 | -22°F 2016 | 8% | 8% |
| Dec 18 | 35°F | 13°F | 63°F 2025 | -20°F 2016 | 8% | 8% |
| Dec 19 | 35°F | 13°F | 63°F 2025 | -17°F 1990 | 8% | 8% |
| Dec 20 | 35°F | 13°F | 52°F 2004 | -23°F 1990 | 8% | 8% |
| Dec 21 | 35°F | 13°F | 51°F 1981 | -33°F 1990 | 8% | 9% |
| Dec 22 | 35°F | 13°F | 58°F 2025 | -34°F 1990 | 8% | 9% |
| Dec 23 | 35°F | 13°F | 57°F 2005 | -31°F 1990 | 8% | 9% |
| Dec 24 | 35°F | 13°F | 55°F 2005 | -31°F 1983 | 8% | 9% |
| Dec 25 | 35°F | 13°F | 57°F 2025 | -30°F 1983 | 8% | 9% |
| Dec 26 | 35°F | 13°F | 62°F 2025 | -26°F 1996 | 8% | 9% |
| Dec 27 | 35°F | 12°F | 66°F 2025 | -16°F 1988 | 8% | 9% |
| Dec 28 | 35°F | 12°F | 49°F 2025 | -15°F 1983 | 8% | 9% |
| Dec 29 | 35°F | 12°F | 53°F 1998 | -25°F 1990 | 8% | 9% |
| Dec 30 | 35°F | 12°F | 51°F 1997 | -27°F 1990 | 8% | 9% |
| Dec 31 | 35°F | 12°F | 49°F 2011 | -15°F 1990 | 8% | 9% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:35 AM, sunset 4:35 PM
- December 31
- sunrise 7:55 AM, sunset 4:43 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00241102 (Bridger 2 N), public domain. Records: NOAA GHCN-Daily, station USC00487388, 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.