Sterling Weather in December
Average highs run from 46°F on December 1 to 41°F on December 31, and lows from 18°F to 15°F. Normal precipitation for the month is 0.35 in over about 3 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
- 42°F
- Average low
- 16°F
- Precipitation
- 0.35 in
- Snowfall
- 6.2 in
- Record high
- 74°FDec 5, 1980
- Record low
- -35°FDec 22, 1989
- Chance of a freeze
- 100%
- Daylight
- 9 h 29 min to 9 h 20 min
- Cloud cover
- 59%
- Humidity
- 60%
- Dew point
- 17°F
- Wind
- 10.3 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 | 46°F | 18°F | 70°F 1970 | -14°F 1985 | 8% | 11% |
| Dec 2 | 45°F | 18°F | 71°F 1998 | -10°F 1985 | 8% | 11% |
| Dec 3 | 45°F | 18°F | 68°F 2008 | -1°F 1919 | 8% | 11% |
| Dec 4 | 44°F | 18°F | 70°F 1958 | -3°F 1955 | 8% | 11% |
| Dec 5 | 44°F | 17°F | 74°F 1980 | -12°F 1909 | 8% | 11% |
| Dec 6 | 44°F | 17°F | 72°F 1939 | -20°F 1972 | 8% | 11% |
| Dec 7 | 43°F | 17°F | 71°F 1981 | -19°F 1972 | 8% | 11% |
| Dec 8 | 43°F | 16°F | 66°F 1915 | -33°F 1919 | 8% | 11% |
| Dec 9 | 43°F | 16°F | 72°F 1939 | -29°F 1919 | 8% | 11% |
| Dec 10 | 42°F | 16°F | 69°F 1957 | -17°F 1932 | 8% | 12% |
| Dec 11 | 42°F | 16°F | 66°F 1987 | -15°F 1932 | 8% | 12% |
| Dec 12 | 42°F | 16°F | 65°F 1980 | -25°F 1932 | 8% | 12% |
| Dec 13 | 42°F | 15°F | 63°F 1980 | -20°F 1932 | 8% | 12% |
| Dec 14 | 41°F | 15°F | 67°F 1946 | -21°F 1940 | 8% | 12% |
| Dec 15 | 41°F | 15°F | 65°F 1946 | -20°F 1940 | 8% | 12% |
| Dec 16 | 41°F | 15°F | 68°F 1939 | -16°F 1914 | 8% | 12% |
| Dec 17 | 41°F | 15°F | 74°F 1939 | -14°F 1964 | 8% | 12% |
| Dec 18 | 41°F | 15°F | 69°F 1962 | -13°F 1964 | 8% | 12% |
| Dec 19 | 41°F | 15°F | 61°F 1976 | -28°F 1924 | 8% | 12% |
| Dec 20 | 41°F | 15°F | 63°F 1934 | -32°F 1924 | 8% | 12% |
| Dec 21 | 41°F | 15°F | 69°F 1933 | -26°F 1924 | 8% | 12% |
| Dec 22 | 41°F | 15°F | 70°F 1933 | -35°F 1989 | 8% | 12% |
| Dec 23 | 41°F | 14°F | 71°F 1933 | -32°F 1989 | 8% | 12% |
| Dec 24 | 41°F | 14°F | 68°F 1964 | -25°F 1924 | 8% | 12% |
| Dec 25 | 41°F | 14°F | 63°F 1950 | -22°F 1924 | 8% | 12% |
| Dec 26 | 41°F | 14°F | 65°F 1950 | -10°F 1962 | 8% | 12% |
| Dec 27 | 41°F | 15°F | 65°F 1976 | -17°F 1911 | 8% | 12% |
| Dec 28 | 41°F | 15°F | 66°F 1999 | -15°F 1916 | 8% | 12% |
| Dec 29 | 41°F | 15°F | 67°F 1980 | -16°F 1983 | 8% | 12% |
| Dec 30 | 41°F | 15°F | 63°F 1912 | -19°F 1911 | 8% | 12% |
| Dec 31 | 41°F | 15°F | 73°F 1980 | -25°F 1923 | 8% | 12% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 6:57 AM, sunset 4:26 PM
- December 31
- sunrise 7:16 AM, sunset 4:36 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00057950 (Sterling), public domain. Records: NOAA GHCN-Daily, station USC00057950, 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.