Grant County Weather in December
Average highs run from 58°F on December 1 to 54°F on December 31, and lows from 23°F to 20°F. Normal precipitation for the month is 1.35 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
- 55°F
- Average low
- 21°F
- Precipitation
- 1.35 in
- Record high
- 73°FDec 2, 2008
- Record low
- -3°FDec 24, 1953
- Chance of a freeze
- 100%
- Daylight
- 10 h 09 min to 10 h 02 min
- Cloud cover
- 38%
- Humidity
- 53%
- Dew point
- 23°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 | 58°F | 23°F | 71°F 1903 | 8°F 1957 | 15% | 0% |
| Dec 2 | 57°F | 22°F | 73°F 2008 | 11°F 1991 | 16% | 0% |
| Dec 3 | 57°F | 22°F | 73°F 1987 | 14°F 1931 | 16% | 0% |
| Dec 4 | 57°F | 22°F | 72°F 2007 | 16°F 1898 | 16% | 0% |
| Dec 5 | 56°F | 22°F | 71°F 1995 | 13°F 1909 | 16% | 0% |
| Dec 6 | 56°F | 22°F | 67°F 1939 | 7°F 1950 | 16% | 0% |
| Dec 7 | 56°F | 22°F | 69°F 1958 | 13°F 1951 | 17% | 0% |
| Dec 8 | 56°F | 22°F | 69°F 1938 | -1°F 1978 | 17% | 0% |
| Dec 9 | 55°F | 22°F | 72°F 1910 | 1°F 1978 | 17% | 0% |
| Dec 10 | 55°F | 21°F | 73°F 1939 | 14°F 1916 | 17% | 0% |
| Dec 11 | 55°F | 21°F | 72°F 1939 | 5°F 1986 | 17% | 0% |
| Dec 12 | 55°F | 21°F | 71°F 1950 | 5°F 1923 | 17% | 0% |
| Dec 13 | 54°F | 21°F | 70°F 2025 | 5°F 1949 | 17% | 0% |
| Dec 14 | 54°F | 21°F | 70°F 2010 | 8°F 1964 | 18% | 0% |
| Dec 15 | 54°F | 21°F | 67°F 1929 | 11°F 1945 | 18% | 0% |
| Dec 16 | 54°F | 21°F | 69°F 1939 | 10°F 1945 | 18% | 0% |
| Dec 17 | 54°F | 21°F | 69°F 1939 | 10°F 1915 | 18% | 0% |
| Dec 18 | 54°F | 21°F | 70°F 2025 | 5°F 1996 | 18% | 0% |
| Dec 19 | 54°F | 21°F | 70°F 2025 | 10°F 1915 | 18% | 0% |
| Dec 20 | 54°F | 21°F | 69°F 1955 | 11°F 1928 | 18% | 0% |
| Dec 21 | 53°F | 21°F | 70°F 1922 | 9°F 1927 | 18% | 0% |
| Dec 22 | 53°F | 21°F | 73°F 2025 | -1°F 1968 | 18% | 0% |
| Dec 23 | 53°F | 21°F | 72°F 2025 | 0°F 1953 | 18% | 0% |
| Dec 24 | 53°F | 21°F | 70°F 2005 | -3°F 1953 | 19% | 0% |
| Dec 25 | 53°F | 21°F | 70°F 1933 | 6°F 1924 | 19% | 0% |
| Dec 26 | 53°F | 21°F | 71°F 1933 | 6°F 1918 | 19% | 0% |
| Dec 27 | 53°F | 20°F | 71°F 1933 | 5°F 1918 | 19% | 0% |
| Dec 28 | 53°F | 20°F | 71°F 1980 | 9°F 2003 | 19% | 0% |
| Dec 29 | 53°F | 20°F | 68°F 2024 | 6°F 1954 | 19% | 0% |
| Dec 30 | 53°F | 20°F | 68°F 1917 | 5°F 1958 | 19% | 0% |
| Dec 31 | 54°F | 20°F | 68°F 1899 | 4°F 1958 | 19% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 6:58 AM, sunset 5:07 PM
- December 31
- sunrise 7:16 AM, sunset 5:18 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00291910 (Cliff 11 Se), public domain. Records: NOAA GHCN-Daily, station USC00293265, 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.