Colby Weather in December
Average highs run from 32°F on December 1 to 23°F on December 31, and lows from 16°F to 5°F. Normal precipitation for the month is 1.51 in over about 9 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
- 27°F
- Average low
- 10°F
- Precipitation
- 1.51 in
- Snowfall
- 11.7 in
- Record high
- 60°FDec 6, 2001
- Record low
- -31°FDec 25, 1933
- Chance of a freeze
- 100%
- Daylight
- 9 h 02 min to 8 h 51 min
- Cloud cover
- 68%
- Humidity
- 92%
- Dew point
- 15°F
- Wind
- 10.5 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 | 32°F | 16°F | 57°F 1962 | -20°F 1893 | 27% | 18% |
| Dec 2 | 32°F | 16°F | 55°F 1998 | -20°F 1897 | 27% | 18% |
| Dec 3 | 31°F | 15°F | 59°F 1982 | -22°F 1940 | 27% | 19% |
| Dec 4 | 31°F | 15°F | 54°F 1998 | -16°F 1985 | 27% | 19% |
| Dec 5 | 30°F | 14°F | 56°F 2001 | -8°F 1976 | 27% | 20% |
| Dec 6 | 30°F | 14°F | 60°F 2001 | -18°F 1955 | 27% | 20% |
| Dec 7 | 30°F | 14°F | 52°F 1946 | -27°F 1972 | 27% | 20% |
| Dec 8 | 29°F | 13°F | 52°F 1946 | -21°F 1917 | 27% | 20% |
| Dec 9 | 29°F | 13°F | 52°F 1939 | -24°F 1927 | 27% | 21% |
| Dec 10 | 29°F | 12°F | 46°F 1990 | -24°F 1919 | 27% | 21% |
| Dec 11 | 28°F | 12°F | 51°F 1913 | -21°F 1977 | 27% | 21% |
| Dec 12 | 28°F | 12°F | 49°F 1913 | -17°F 1995 | 27% | 21% |
| Dec 13 | 28°F | 11°F | 51°F 1913 | -25°F 1903 | 27% | 21% |
| Dec 14 | 27°F | 11°F | 47°F 2021 | -28°F 1901 | 27% | 22% |
| Dec 15 | 27°F | 10°F | 48°F 1998 | -28°F 1901 | 27% | 22% |
| Dec 16 | 27°F | 10°F | 55°F 2021 | -28°F 1932 | 27% | 22% |
| Dec 17 | 26°F | 10°F | 46°F 1895 | -23°F 1985 | 28% | 22% |
| Dec 18 | 26°F | 9°F | 44°F 1923 | -27°F 1983 | 27% | 22% |
| Dec 19 | 26°F | 9°F | 48°F 1923 | -28°F 1983 | 28% | 23% |
| Dec 20 | 26°F | 9°F | 51°F 1894 | -24°F 1924 | 28% | 23% |
| Dec 21 | 25°F | 8°F | 53°F 1899 | -27°F 1989 | 28% | 23% |
| Dec 22 | 25°F | 8°F | 49°F 1900 | -27°F 1989 | 28% | 23% |
| Dec 23 | 25°F | 8°F | 42°F 1899 | -28°F 1983 | 28% | 23% |
| Dec 24 | 24°F | 7°F | 42°F 2020 | -29°F 2004 | 28% | 23% |
| Dec 25 | 24°F | 7°F | 49°F 2023 | -31°F 1933 | 28% | 24% |
| Dec 26 | 24°F | 7°F | 49°F 1936 | -29°F 1962 | 27% | 24% |
| Dec 27 | 24°F | 6°F | 49°F 1936 | -30°F 1933 | 27% | 24% |
| Dec 28 | 24°F | 6°F | 40°F 1896 | -28°F 1917 | 28% | 24% |
| Dec 29 | 23°F | 6°F | 45°F 1984 | -29°F 1917 | 28% | 24% |
| Dec 30 | 23°F | 5°F | 46°F 1904 | -25°F 2013 | 28% | 24% |
| Dec 31 | 23°F | 5°F | 47°F 1904 | -28°F 1898 | 27% | 24% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 7:19 AM, sunset 4:21 PM
- December 31
- sunrise 7:39 AM, sunset 4:30 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00476357 (Owen 1E), public domain. Records: NOAA GHCN-Daily, station USC00475255, 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.