Dawson County Weather in December
Average highs run from 37°F on December 1 to 29°F on December 31, and lows from 18°F to 10°F. Normal precipitation for the month is 0.41 in over about 6 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
- 13°F
- Precipitation
- 0.41 in
- Snowfall
- 4.3 in
- Record high
- 72°FDec 5, 1939
- Record low
- -42°FDec 22, 1989
- Chance of a freeze
- 100%
- Daylight
- 8 h 45 min to 8 h 33 min
- Cloud cover
- 66%
- Humidity
- 80%
- Dew point
- 16°F
- Wind
- 12.1 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 | 37°F | 18°F | 70°F 2021 | -13°F 1966 | 17% | 9% |
| Dec 2 | 36°F | 18°F | 70°F 2021 | -32°F 1897 | 17% | 9% |
| Dec 3 | 36°F | 17°F | 61°F 1943 | -24°F 1897 | 17% | 9% |
| Dec 4 | 36°F | 17°F | 68°F 1979 | -20°F 1928 | 17% | 9% |
| Dec 5 | 35°F | 17°F | 72°F 1939 | -25°F 1994 | 17% | 9% |
| Dec 6 | 35°F | 16°F | 68°F 1939 | -24°F 1950 | 17% | 9% |
| Dec 7 | 34°F | 16°F | 58°F 2023 | -29°F 2013 | 17% | 9% |
| Dec 8 | 34°F | 16°F | 54°F 2024 | -40°F 1927 | 17% | 9% |
| Dec 9 | 34°F | 15°F | 63°F 1912 | -39°F 1977 | 17% | 10% |
| Dec 10 | 33°F | 15°F | 58°F 1939 | -25°F 1927 | 18% | 10% |
| Dec 11 | 33°F | 15°F | 57°F 1912 | -21°F 1927 | 18% | 10% |
| Dec 12 | 33°F | 14°F | 64°F 2004 | -28°F 1922 | 18% | 10% |
| Dec 13 | 32°F | 14°F | 55°F 1998 | -31°F 1901 | 18% | 10% |
| Dec 14 | 32°F | 14°F | 56°F 1939 | -25°F 1963 | 18% | 11% |
| Dec 15 | 32°F | 13°F | 59°F 1980 | -31°F 2009 | 18% | 11% |
| Dec 16 | 32°F | 13°F | 60°F 1962 | -27°F 1989 | 18% | 11% |
| Dec 17 | 31°F | 13°F | 58°F 1962 | -26°F 1975 | 19% | 11% |
| Dec 18 | 31°F | 12°F | 67°F 1942 | -38°F 1929 | 19% | 11% |
| Dec 19 | 31°F | 12°F | 58°F 2011 | -38°F 1929 | 19% | 11% |
| Dec 20 | 31°F | 12°F | 55°F 1954 | -32°F 1929 | 19% | 12% |
| Dec 21 | 30°F | 12°F | 55°F 1900 | -36°F 1989 | 19% | 12% |
| Dec 22 | 30°F | 11°F | 59°F 1954 | -42°F 1989 | 20% | 12% |
| Dec 23 | 30°F | 11°F | 62°F 1950 | -40°F 1989 | 20% | 12% |
| Dec 24 | 30°F | 11°F | 52°F 1950 | -35°F 1983 | 20% | 13% |
| Dec 25 | 30°F | 11°F | 54°F 1963 | -29°F 1983 | 20% | 13% |
| Dec 26 | 30°F | 10°F | 55°F 1976 | -40°F 1904 | 20% | 13% |
| Dec 27 | 29°F | 10°F | 52°F 1956 | -31°F 1925 | 20% | 13% |
| Dec 28 | 29°F | 10°F | 57°F 2011 | -26°F 1916 | 20% | 13% |
| Dec 29 | 29°F | 10°F | 59°F 1999 | -33°F 1916 | 21% | 13% |
| Dec 30 | 29°F | 10°F | 53°F 1999 | -30°F 1990 | 21% | 14% |
| Dec 31 | 29°F | 10°F | 59°F 1963 | -34°F 2017 | 21% | 14% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:26 AM, sunset 4:11 PM
- December 31
- sunrise 7:46 AM, sunset 4:19 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00243581 (Glendive), public domain. Records: NOAA GHCN-Daily, station USC00243581, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.