Reserve Weather in December
Average highs run from 60°F on December 1 to 56°F on December 31, and lows from 20°F to 17°F. Normal precipitation for the month is 1.11 in.
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
- 57°F
- Average low
- 17°F
- Precipitation
- 1.11 in
- Snowfall
- 6.9 in
- Record high
- 76°FDec 2, 1925
- Record low
- -28°FDec 27, 1926
- Chance of a freeze
- 100%
- Daylight
- 10 h 04 min to 9 h 57 min
- Cloud cover
- 43%
- Humidity
- 61%
- Dew point
- 19°F
- Wind
- 6.3 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 | 60°F | 20°F | 72°F 1925 | -4°F 1991 | 5% | |
| Dec 2 | 60°F | 19°F | 76°F 1925 | -8°F 1991 | 5% | |
| Dec 3 | 59°F | 19°F | 73°F 1925 | -4°F 1968 | 5% | |
| Dec 4 | 59°F | 19°F | 70°F 1927 | -7°F 2009 | 6% | |
| Dec 5 | 59°F | 19°F | 72°F 1946 | -4°F 1912 | 6% | |
| Dec 6 | 59°F | 18°F | 74°F 1946 | -8°F 1960 | 6% | |
| Dec 7 | 58°F | 18°F | 67°F 1954 | -5°F 1912 | 6% | |
| Dec 8 | 58°F | 18°F | 68°F 1946 | -4°F 1916 | 6% | |
| Dec 9 | 58°F | 18°F | 67°F 1925 | -14°F 1951 | 6% | |
| Dec 10 | 58°F | 18°F | 67°F 1938 | -12°F 1951 | 6% | |
| Dec 11 | 57°F | 17°F | 67°F 1939 | -4°F 1947 | 7% | |
| Dec 12 | 57°F | 17°F | 70°F 1950 | -17°F 1949 | 7% | |
| Dec 13 | 57°F | 17°F | 68°F 1937 | -13°F 1931 | 7% | |
| Dec 14 | 57°F | 17°F | 69°F 1925 | -9°F 1945 | 7% | |
| Dec 15 | 57°F | 17°F | 68°F 1946 | -9°F 1914 | 7% | |
| Dec 16 | 56°F | 17°F | 67°F 2010 | -8°F 2007 | 7% | |
| Dec 17 | 56°F | 17°F | 66°F 1929 | -4°F 1943 | 7% | |
| Dec 18 | 56°F | 17°F | 66°F 1929 | -9°F 1995 | 7% | |
| Dec 19 | 56°F | 16°F | 70°F 2025 | -8°F 1911 | 7% | |
| Dec 20 | 56°F | 16°F | 68°F 1937 | -8°F 1911 | 7% | |
| Dec 21 | 56°F | 16°F | 69°F 2025 | -7°F 1951 | 7% | |
| Dec 22 | 56°F | 16°F | 72°F 2025 | -10°F 1990 | 7% | |
| Dec 23 | 56°F | 16°F | 69°F 2025 | -25°F 1990 | 7% | |
| Dec 24 | 56°F | 16°F | 66°F 1955 | -24°F 1990 | 7% | |
| Dec 25 | 56°F | 16°F | 68°F 1917 | -14°F 1911 | 7% | |
| Dec 26 | 56°F | 16°F | 65°F 1925 | -17°F 1987 | 7% | |
| Dec 27 | 56°F | 16°F | 70°F 1925 | -28°F 1926 | 7% | |
| Dec 28 | 56°F | 17°F | 71°F 1925 | -9°F 1913 | 7% | |
| Dec 29 | 56°F | 17°F | 69°F 1925 | -6°F 1966 | 7% | |
| Dec 30 | 56°F | 17°F | 69°F 1925 | -16°F 1926 | 7% | |
| Dec 31 | 56°F | 17°F | 68°F 1925 | -17°F 1926 | 7% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:02 AM, sunset 5:06 PM
- December 31
- sunrise 7:20 AM, sunset 5:17 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00297386 (Reserve RS), public domain. Records: NOAA GHCN-Daily, station USC00028162, 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.