Duchesne County Weather in December
Average highs run from 34°F on December 1 to 28°F on December 31, and lows from 12°F to 6°F. Normal precipitation for the month is 0.62 in over about 5 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
- 29°F
- Average low
- 8°F
- Precipitation
- 0.62 in
- Snowfall
- 9.0 in
- Record high
- 63°FDec 11, 2025
- Record low
- -39°FDec 9, 1919
- Chance of a freeze
- 100%
- Daylight
- 9 h 31 min to 9 h 21 min
- Cloud cover
- 54%
- Humidity
- 85%
- Dew point
- 11°F
- Wind
- 6.0 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 | 34°F | 12°F | 58°F 1995 | -10°F 1930 | 14% | 11% |
| Dec 2 | 34°F | 12°F | 60°F 2008 | -13°F 1931 | 14% | 11% |
| Dec 3 | 33°F | 11°F | 57°F 2017 | -15°F 1931 | 14% | 11% |
| Dec 4 | 33°F | 11°F | 56°F 1995 | -15°F 1909 | 14% | 12% |
| Dec 5 | 32°F | 11°F | 60°F 1958 | -12°F 1931 | 14% | 12% |
| Dec 6 | 32°F | 10°F | 59°F 1958 | -14°F 1931 | 15% | 12% |
| Dec 7 | 31°F | 10°F | 61°F 1958 | -16°F 1931 | 15% | 12% |
| Dec 8 | 31°F | 10°F | 60°F 1938 | -19°F 1931 | 15% | 13% |
| Dec 9 | 31°F | 10°F | 59°F 2025 | -39°F 1919 | 15% | 13% |
| Dec 10 | 30°F | 9°F | 59°F 2025 | -24°F 1919 | 15% | 13% |
| Dec 11 | 30°F | 9°F | 63°F 2025 | -18°F 1932 | 15% | 13% |
| Dec 12 | 30°F | 9°F | 57°F 1958 | -38°F 1932 | 15% | 13% |
| Dec 13 | 29°F | 9°F | 55°F 1988 | -38°F 1932 | 15% | 14% |
| Dec 14 | 29°F | 8°F | 56°F 1946 | -34°F 1932 | 15% | 14% |
| Dec 15 | 29°F | 8°F | 60°F 1921 | -26°F 1919 | 16% | 14% |
| Dec 16 | 29°F | 8°F | 52°F 1921 | -25°F 1931 | 16% | 14% |
| Dec 17 | 28°F | 8°F | 61°F 2025 | -20°F 1931 | 16% | 14% |
| Dec 18 | 28°F | 8°F | 51°F 1998 | -34°F 1909 | 16% | 15% |
| Dec 19 | 28°F | 7°F | 59°F 2025 | -26°F 1908 | 16% | 15% |
| Dec 20 | 28°F | 7°F | 56°F 1917 | -29°F 1908 | 16% | 15% |
| Dec 21 | 28°F | 7°F | 56°F 2025 | -27°F 1908 | 16% | 15% |
| Dec 22 | 28°F | 7°F | 63°F 2025 | -30°F 1990 | 17% | 15% |
| Dec 23 | 28°F | 7°F | 56°F 1980 | -29°F 1990 | 17% | 15% |
| Dec 24 | 28°F | 7°F | 54°F 1955 | -36°F 1924 | 17% | 16% |
| Dec 25 | 28°F | 7°F | 59°F 2025 | -35°F 1924 | 17% | 16% |
| Dec 26 | 27°F | 7°F | 57°F 1933 | -34°F 1924 | 17% | 16% |
| Dec 27 | 27°F | 7°F | 54°F 2017 | -27°F 1924 | 17% | 16% |
| Dec 28 | 27°F | 7°F | 54°F 1917 | -22°F 1916 | 17% | 16% |
| Dec 29 | 27°F | 7°F | 62°F 2017 | -21°F 1909 | 17% | 16% |
| Dec 30 | 27°F | 7°F | 62°F 2017 | -19°F 1913 | 17% | 16% |
| Dec 31 | 28°F | 6°F | 54°F 2017 | -24°F 1918 | 17% | 16% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:25 AM, sunset 4:56 PM
- December 31
- sunrise 7:44 AM, sunset 5:05 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00420074 (Altamont), public domain. Records: NOAA GHCN-Daily, station USC00422253, 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.