Tuolumne County Weather in December
Average highs run from 51°F on December 1 to 48°F on December 31, and lows from 32°F to 31°F. Normal precipitation for the month is 8.29 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
- 49°F
- Average low
- 31°F
- Precipitation
- 8.29 in
- Snowfall
- 21.3 in
- Record high
- 81°FDec 4, 1958
- Record low
- 8°FDec 9, 1972
- Chance of a freeze
- 100%
- Daylight
- 9 h 43 min to 9 h 34 min
- Cloud cover
- 57%
- Humidity
- 70%
- Dew point
- 24°F
- Wind
- 5.6 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 | 51°F | 32°F | 74°F 1956 | 21°F 1994 | 27% | 10% |
| Dec 2 | 51°F | 32°F | 77°F 2021 | 25°F 1968 | 27% | 11% |
| Dec 3 | 50°F | 32°F | 78°F 1959 | 23°F 2004 | 28% | 11% |
| Dec 4 | 50°F | 32°F | 81°F 1958 | 22°F 2013 | 28% | 11% |
| Dec 5 | 50°F | 32°F | 77°F 1958 | 21°F 2013 | 28% | 12% |
| Dec 6 | 50°F | 32°F | 76°F 1958 | 18°F 1978 | 28% | 12% |
| Dec 7 | 49°F | 32°F | 78°F 1940 | 18°F 1978 | 29% | 12% |
| Dec 8 | 49°F | 31°F | 78°F 1938 | 18°F 2009 | 29% | 13% |
| Dec 9 | 49°F | 31°F | 78°F 1940 | 8°F 1972 | 29% | 13% |
| Dec 10 | 49°F | 31°F | 73°F 1990 | 8°F 1972 | 29% | 13% |
| Dec 11 | 49°F | 31°F | 74°F 1962 | 13°F 1972 | 29% | 14% |
| Dec 12 | 48°F | 31°F | 76°F 1962 | 14°F 1972 | 30% | 14% |
| Dec 13 | 48°F | 31°F | 70°F 1962 | 10°F 1972 | 30% | 14% |
| Dec 14 | 48°F | 31°F | 75°F 1958 | 11°F 1972 | 30% | 15% |
| Dec 15 | 48°F | 31°F | 77°F 1958 | 18°F 1972 | 30% | 15% |
| Dec 16 | 48°F | 31°F | 76°F 1980 | 18°F 1984 | 30% | 15% |
| Dec 17 | 48°F | 31°F | 75°F 1958 | 20°F 1965 | 31% | 15% |
| Dec 18 | 48°F | 31°F | 76°F 2013 | 22°F 1965 | 31% | 16% |
| Dec 19 | 48°F | 31°F | 74°F 1958 | 19°F 1968 | 31% | 16% |
| Dec 20 | 48°F | 31°F | 70°F 1959 | 18°F 1968 | 31% | 16% |
| Dec 21 | 48°F | 31°F | 70°F 2003 | 15°F 1998 | 31% | 16% |
| Dec 22 | 48°F | 31°F | 68°F 1956 | 15°F 1998 | 31% | 16% |
| Dec 23 | 48°F | 31°F | 66°F 1919 | 15°F 1998 | 31% | 16% |
| Dec 24 | 48°F | 31°F | 74°F 1960 | 11°F 1990 | 31% | 16% |
| Dec 25 | 48°F | 31°F | 76°F 2005 | 20°F 1998 | 32% | 16% |
| Dec 26 | 48°F | 31°F | 74°F 1950 | 21°F 1988 | 32% | 16% |
| Dec 27 | 48°F | 31°F | 71°F 1956 | 17°F 1990 | 32% | 16% |
| Dec 28 | 48°F | 31°F | 75°F 1980 | 17°F 1990 | 32% | 16% |
| Dec 29 | 48°F | 31°F | 73°F 1956 | 23°F 1960 | 32% | 16% |
| Dec 30 | 48°F | 31°F | 72°F 1956 | 21°F 1911 | 32% | 17% |
| Dec 31 | 48°F | 31°F | 73°F 2022 | 20°F 1915 | 32% | 17% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 6:57 AM, sunset 4:40 PM
- December 31
- sunrise 7:16 AM, sunset 4:50 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00041697 (Cherry Valley Dam), public domain. Records: NOAA GHCN-Daily, station USC00048353, 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.