Tuolumne County Weather in January
Average highs run from 48°F on January 1 to 50°F on January 31, and lows from 31°F to 31°F. Normal precipitation for the month is 9.65 in over about 10 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 49°F
- Average low
- 31°F
- Precipitation
- 9.65 in
- Snowfall
- 21.0 in
- Record high
- 75°FJan 11, 1990
- Record low
- 13°FJan 25, 1949
- Chance of a freeze
- 100%
- Daylight
- 9 h 35 min to 10 h 17 min
- Cloud cover
- 57%
- Humidity
- 73%
- Dew point
- 26°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 |
|---|---|---|---|---|---|---|
| Jan 1 | 48°F | 31°F | 73°F 2023 | 19°F 1965 | 32% | 17% |
| Jan 2 | 49°F | 31°F | 72°F 2023 | 17°F 1952 | 33% | 17% |
| Jan 3 | 49°F | 31°F | 69°F 2012 | 14°F 1950 | 33% | 17% |
| Jan 4 | 49°F | 31°F | 68°F 1981 | 15°F 1950 | 33% | 17% |
| Jan 5 | 49°F | 31°F | 69°F 2012 | 18°F 1950 | 33% | 17% |
| Jan 6 | 49°F | 31°F | 70°F 2006 | 14°F 1913 | 33% | 17% |
| Jan 7 | 49°F | 31°F | 74°F 2015 | 21°F 1913 | 33% | 17% |
| Jan 8 | 49°F | 32°F | 72°F 2015 | 17°F 1937 | 33% | 16% |
| Jan 9 | 49°F | 32°F | 72°F 1941 | 19°F 1937 | 33% | 16% |
| Jan 10 | 49°F | 32°F | 73°F 1990 | 16°F 1949 | 33% | 16% |
| Jan 11 | 49°F | 32°F | 75°F 1990 | 14°F 1949 | 33% | 16% |
| Jan 12 | 49°F | 32°F | 75°F 1983 | 16°F 1949 | 33% | 16% |
| Jan 13 | 49°F | 32°F | 72°F 1986 | 16°F 2007 | 32% | 16% |
| Jan 14 | 49°F | 32°F | 69°F 1942 | 15°F 2007 | 32% | 16% |
| Jan 15 | 50°F | 32°F | 72°F 2018 | 17°F 2007 | 32% | 16% |
| Jan 16 | 50°F | 32°F | 71°F 1967 | 18°F 2007 | 32% | 16% |
| Jan 17 | 50°F | 32°F | 71°F 2021 | 16°F 1917 | 32% | 16% |
| Jan 18 | 50°F | 31°F | 73°F 2014 | 18°F 2012 | 32% | 16% |
| Jan 19 | 50°F | 31°F | 75°F 2021 | 16°F 1987 | 32% | 16% |
| Jan 20 | 50°F | 31°F | 74°F 2014 | 17°F 1937 | 32% | 16% |
| Jan 21 | 50°F | 31°F | 74°F 1994 | 16°F 1937 | 32% | 16% |
| Jan 22 | 50°F | 31°F | 72°F 1994 | 18°F 1962 | 33% | 17% |
| Jan 23 | 50°F | 31°F | 72°F 2013 | 20°F 1937 | 33% | 17% |
| Jan 24 | 50°F | 31°F | 72°F 1968 | 19°F 1949 | 33% | 17% |
| Jan 25 | 50°F | 31°F | 75°F 1953 | 13°F 1949 | 33% | 17% |
| Jan 26 | 50°F | 31°F | 73°F 1986 | 17°F 1949 | 33% | 17% |
| Jan 27 | 50°F | 31°F | 70°F 1986 | 22°F 1975 | 33% | 17% |
| Jan 28 | 50°F | 31°F | 74°F 1986 | 19°F 1975 | 33% | 17% |
| Jan 29 | 50°F | 31°F | 72°F 1962 | 20°F 1969 | 33% | 17% |
| Jan 30 | 50°F | 31°F | 75°F 1984 | 17°F 1916 | 33% | 17% |
| Jan 31 | 50°F | 31°F | 74°F 1962 | 19°F 1916 | 33% | 17% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- January 1
- sunrise 7:16 AM, sunset 4:51 PM
- January 31
- sunrise 7:05 AM, sunset 5:22 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.