Silver Summit Weather in December
Average highs run from 39°F on December 1 to 34°F on December 31, and lows from 17°F to 13°F. Normal precipitation for the month is 1.24 in over about 10 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
- 36°F
- Average low
- 14°F
- Precipitation
- 1.24 in
- Snowfall
- 13.3 in
- Record high
- 68°FDec 1, 1995
- Record low
- -36°FDec 25, 1924
- Chance of a freeze
- 100%
- Daylight
- 9 h 28 min to 9 h 18 min
- Cloud cover
- 60%
- Humidity
- 85%
- Dew point
- 14°F
- Wind
- 4.9 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 | 39°F | 17°F | 68°F 1995 | -5°F 1930 | 30% | 22% |
| Dec 2 | 39°F | 17°F | 61°F 1939 | -6°F 1930 | 30% | 22% |
| Dec 3 | 38°F | 17°F | 64°F 1998 | -14°F 1898 | 30% | 22% |
| Dec 4 | 38°F | 16°F | 62°F 1965 | -11°F 1952 | 30% | 23% |
| Dec 5 | 38°F | 16°F | 64°F 1939 | -18°F 1955 | 30% | 23% |
| Dec 6 | 37°F | 16°F | 64°F 1939 | -11°F 1931 | 30% | 23% |
| Dec 7 | 37°F | 16°F | 63°F 1939 | -10°F 1898 | 30% | 24% |
| Dec 8 | 37°F | 16°F | 65°F 1940 | -22°F 1951 | 30% | 24% |
| Dec 9 | 36°F | 15°F | 63°F 1981 | -31°F 1951 | 30% | 24% |
| Dec 10 | 36°F | 15°F | 65°F 1939 | -22°F 1972 | 30% | 24% |
| Dec 11 | 36°F | 15°F | 60°F 1933 | -18°F 1961 | 30% | 24% |
| Dec 12 | 36°F | 15°F | 58°F 1929 | -34°F 1932 | 30% | 25% |
| Dec 13 | 35°F | 14°F | 58°F 1929 | -33°F 1932 | 30% | 25% |
| Dec 14 | 35°F | 14°F | 63°F 1929 | -26°F 1932 | 31% | 25% |
| Dec 15 | 35°F | 14°F | 63°F 1929 | -22°F 1932 | 31% | 25% |
| Dec 16 | 35°F | 14°F | 60°F 1962 | -21°F 1932 | 31% | 26% |
| Dec 17 | 35°F | 14°F | 62°F 1939 | -15°F 1909 | 31% | 26% |
| Dec 18 | 35°F | 14°F | 55°F 1958 | -26°F 1909 | 31% | 26% |
| Dec 19 | 34°F | 14°F | 56°F 1917 | -21°F 1924 | 31% | 26% |
| Dec 20 | 34°F | 13°F | 56°F 1941 | -21°F 1924 | 31% | 26% |
| Dec 21 | 34°F | 13°F | 60°F 1969 | -26°F 1990 | 31% | 27% |
| Dec 22 | 34°F | 13°F | 55°F 1917 | -31°F 1990 | 31% | 27% |
| Dec 23 | 34°F | 13°F | 52°F 1936 | -34°F 1990 | 31% | 27% |
| Dec 24 | 34°F | 13°F | 59°F 1960 | -32°F 1924 | 31% | 27% |
| Dec 25 | 34°F | 13°F | 54°F 1946 | -36°F 1924 | 31% | 27% |
| Dec 26 | 34°F | 13°F | 53°F 1955 | -34°F 1924 | 31% | 27% |
| Dec 27 | 34°F | 13°F | 54°F 1980 | -24°F 1904 | 31% | 27% |
| Dec 28 | 34°F | 13°F | 54°F 1980 | -28°F 1916 | 31% | 27% |
| Dec 29 | 34°F | 13°F | 60°F 1917 | -16°F 1988 | 31% | 27% |
| Dec 30 | 34°F | 13°F | 55°F 2011 | -26°F 1990 | 31% | 28% |
| Dec 31 | 34°F | 13°F | 57°F 1996 | -23°F 1978 | 31% | 28% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:31 AM, sunset 4:59 PM
- December 31
- sunrise 7:50 AM, sunset 5:08 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00429165 (Wanship Dam), public domain. Records: NOAA GHCN-Daily, station USC00423809, 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.