Weather in Tuolumne County, California for January 2026
Dense Fog Advisory - See hour by hour.
Until now, January 2026 in Tuolumne County has been nearly identical to the historical average, with a temperature of 13.8 °F (showing only a slight deviation of 0.5 °F).
Expect cooler weather in the next days in Tuolumne County with the forecast suggesting a temperature of 18.8 °F, lower than the historical average.
In general, the average temperature in Tuolumne County at the beginning of January is 11.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 15.7 °F by the end of January.
With an average of 4 rainy days, Tuolumne County experiences minimal rainfall in January.
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Tuolumne County Weather January
Temperatures trend during January in Tuolumne County
January weather in Tuolumne County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Cloudy | 12° /6° | 57.2 mm | 2 | |
| Jan. 2 | Cloudy | 13° /6° | 0 mm | 2 | |
| Jan. 3 |  Moderate or heavy rain shower | 13° /7° | 38.1 mm | 2 | |
| Jan. 4 | Cloudy | 9° /3° | 51 mm | 1 | |
| Jan. 5 |  Partly cloudy | 10° /4° | 4.7 mm | 2 | |
| Jan. 6 |  Overcast | 12° /1° | 0 mm | 2 | |
| Jan. 7 | Partly cloudy | 11° /3° | 0 mm | 3 | |
| Jan. 8 | Partly cloudy | 9° /2° | 0 mm | 3 | |
| Jan. 9 |  Sunny | 12° /3° | 0 mm | 3 | |
| Jan. 10 | Sunny | 15° /2° | 0 mm | 3 | |
| Jan. 11 | Sunny | 14° /4° | 0 mm | 3 | |
| Jan. 12 | Sunny | 13° /3° | 0 mm | 3 | |
| Jan. 13 | Sunny | 15° /2° | 0 mm | 3 | |
| Jan. 14 | Sunny | 17° /3° | 0 mm | 3 | |
| Jan. 15 | Sunny | 18° /3° | 0 mm | 3 | |
| Jan. 16 | Sunny | 17° /2° | 0 mm | 3 | |
| Jan. 17 | Sunny | 16° /3° | 0 mm | 3 | |
| Jan. 18 | Sunny | 11° /1° | 0 mm | 4 | |
| Jan. 19 | Sunny | 14° /2° | 0 mm | 3 | |
| Jan. 20 | Sunny | 15° /3° | 0 mm | 3 | |
| Jan. 21 | Sunny | 15° /6° | 0 mm | 2 | |
| Jan. 22 | Sunny | 14° /5° | 0 mm | 2 | |
| Jan. 23 | Sunny | 14° /4° | 0 mm | 3 | |
| Jan. 24 | Overcast | 14° /4° | 0 mm | 3 | |
| Jan. 25 |  Patchy rain possible | 12° /4° | 1 mm | 2 | |
| Jan. 26 | Overcast | 13° /5° | 0.6 mm | 2 | |
| Jan. 27 | Sunny | 13° /3° | 0 mm | 3 | |
| Jan. 28 | Sunny | 14° /4° | 0 mm | 3 | |
| Jan. 29 | Sunny | 18° /5° | 0 mm | 0.6 | |
| Jan. 30 | Partly cloudy | 19° /10° | 0 mm | 0.6 | |
| Jan. 31 | Partly cloudy | 21° /12° | 0 mm | 0.6 | |
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Tuolumne County in January - FAQ
What are the expected maximum and minimum temperatures in Tuolumne County during January?
How much rainfall should be expected in Tuolumne County during January?
What are the typical wind conditions in Tuolumne County during January?
January rainfall patterns in Tuolumne County
UV exposure in Tuolumne County during January
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Where is Tuolumne County?Get accurate weather forecasts for Tuolumne County, located at latitude 37.984 and longitude -120.382. Stay updated with localized weather information tailored for Tuolumne County.