Fort Duchesne Weather in December
Average highs run from 38°F on December 1 to 28°F on December 31, and lows from 15°F to 5°F. Normal precipitation for the month is 0.36 in over about 4 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
- 0.36 in
- Snowfall
- 5.2 in
- Record high
- 68°FDec 8, 1977
- Record low
- -34°FDec 13, 1932
- Chance of a freeze
- 100%
- Daylight
- 9 h 31 min to 9 h 21 min
- Cloud cover
- 60%
- Humidity
- 74%
- Dew point
- 13°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 | 38°F | 15°F | 62°F 2008 | -6°F 1930 | 11% | 6% |
| Dec 2 | 37°F | 15°F | 58°F 1995 | -7°F 1931 | 11% | 6% |
| Dec 3 | 37°F | 14°F | 61°F 2008 | -8°F 1931 | 11% | 7% |
| Dec 4 | 36°F | 14°F | 62°F 1958 | -8°F 1930 | 11% | 7% |
| Dec 5 | 36°F | 14°F | 59°F 1977 | -16°F 2013 | 11% | 7% |
| Dec 6 | 35°F | 13°F | 60°F 2021 | -9°F 1973 | 11% | 8% |
| Dec 7 | 35°F | 13°F | 56°F 1995 | -9°F 1931 | 11% | 8% |
| Dec 8 | 34°F | 12°F | 68°F 1977 | -22°F 1978 | 12% | 8% |
| Dec 9 | 34°F | 12°F | 54°F 1939 | -26°F 1919 | 12% | 8% |
| Dec 10 | 33°F | 11°F | 55°F 1989 | -20°F 1919 | 12% | 9% |
| Dec 11 | 33°F | 11°F | 58°F 1958 | -19°F 2009 | 12% | 9% |
| Dec 12 | 33°F | 11°F | 54°F 1929 | -32°F 1932 | 12% | 9% |
| Dec 13 | 32°F | 10°F | 56°F 1946 | -34°F 1932 | 12% | 9% |
| Dec 14 | 32°F | 10°F | 55°F 1921 | -30°F 1932 | 13% | 10% |
| Dec 15 | 31°F | 10°F | 59°F 1921 | -30°F 1932 | 13% | 10% |
| Dec 16 | 31°F | 9°F | 58°F 1921 | -21°F 1931 | 13% | 10% |
| Dec 17 | 31°F | 9°F | 53°F 2025 | -16°F 1919 | 13% | 10% |
| Dec 18 | 30°F | 9°F | 51°F 2024 | -12°F 1919 | 13% | 10% |
| Dec 19 | 30°F | 8°F | 52°F 2025 | -13°F 1931 | 13% | 11% |
| Dec 20 | 30°F | 8°F | 59°F 2025 | -12°F 1924 | 14% | 11% |
| Dec 21 | 30°F | 8°F | 55°F 1969 | -19°F 1990 | 14% | 11% |
| Dec 22 | 29°F | 7°F | 55°F 2025 | -27°F 1990 | 14% | 11% |
| Dec 23 | 29°F | 7°F | 55°F 1980 | -27°F 1990 | 14% | 11% |
| Dec 24 | 29°F | 7°F | 56°F 2005 | -25°F 1998 | 14% | 11% |
| Dec 25 | 29°F | 6°F | 57°F 1955 | -28°F 1924 | 14% | 11% |
| Dec 26 | 29°F | 6°F | 54°F 1980 | -29°F 1924 | 14% | 11% |
| Dec 27 | 28°F | 6°F | 58°F 2025 | -23°F 1924 | 14% | 11% |
| Dec 28 | 28°F | 6°F | 48°F 1976 | -17°F 2007 | 15% | 10% |
| Dec 29 | 28°F | 5°F | 50°F 1945 | -19°F 2007 | 15% | 10% |
| Dec 30 | 28°F | 5°F | 53°F 2000 | -14°F 1919 | 15% | 10% |
| Dec 31 | 28°F | 5°F | 52°F 2011 | -19°F 1949 | 15% | 10% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:23 AM, sunset 4:54 PM
- December 31
- sunrise 7:42 AM, sunset 5:03 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00422996 (Ft Duchesne), public domain. Records: NOAA GHCN-Daily, station USC00425969, 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.