Tuolumne County (Sonora)
December
Weather in Tuolumne County, California for December 2025
Your guide to Tuolumne County weather in December - trends and predictions
Until now, December 2025 in Tuolumne County is slightly cooler than the historical average by -1.3 °F.
Expect cooler weather in the next days in Tuolumne County with the forecast suggesting a temperature of 14.6 °F, lower than the historical average.
In general, the average temperature in Tuolumne County at the beginning of December is 16.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.9 °F by the end of December.
The climate of Tuolumne County in December is notably wet, with an average of 11 rainy days, and a total of 153.5 mm of precipitation.
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Temperatures
Rain 🌧️
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20
Dry days
11
Rainy days
0
Snow days
14°/5°
Temperatures
9 km/h
Avg max wind
58 %
Avg humidity
Tuolumne County Weather December
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Temperatures trend during December in Tuolumne County
See the weather trend as well as the moving average line
December weather in Tuolumne County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 17° /7° | 0 mm | 5 | |
| Dec. 2 |  Sunny | 17° /7° | 0 mm | 5 | |
| Dec. 3 | Sunny | 16° /5° | 0 mm | 5 | |
| Dec. 4 | Sunny | 16° /5° | 0 mm | 5 | |
| Dec. 5 |  Cloudy | 16° /6° | 0 mm | 4 | |
| Dec. 6 | Sunny | 17° /6° | 0 mm | 5 | |
| Dec. 7 | Overcast | 15° /6° | 0 mm | 4 | |
| Dec. 8 | Sunny | 16° /6° | 0 mm | 5 | |
| Dec. 9 | Sunny | 15° /5° | 0 mm | 5 | |
| Dec. 10 |  Partly cloudy | 13° /4° | 0 mm | 0.4 | |
| Dec. 11 | Sunny | 21° /5° | 0 mm | 0.5 | |
| Dec. 12 | Sunny | 22° /8° | 0 mm | 0.4 | |
| Dec. 13 | Sunny | 22° /10° | 0 mm | 0.5 | |
| Dec. 14 | Sunny | 18° /8° | 0 mm | 0.5 | |
| Dec. 15 | Sunny | 17° /8° | 0 mm | 0 | |
| Dec. 16 | Sunny | 17° /8° | 0 mm | 4 | |
| Dec. 17 |  Patchy rain possible | 12° /9° | 1.2 mm | 3 | |
| Dec. 18 | Partly cloudy | 15° /6° | 0 mm | 3 | |
| Dec. 19 | Patchy rain possible | 15° /7° | 1.4 mm | 3 | |
| Dec. 20 | Patchy rain possible | 12° /8° | 4.9 mm | 3 | |
| Dec. 21 | Patchy rain possible | 8° /3° | 0.1 mm | 2 | |
| Dec. 22 |  Moderate rain | 5° /3° | 6.8 mm | 1 | |
| Dec. 23 | Patchy rain possible | 8° /0° | 0.6 mm | 1 | |
| Dec. 24 |  Moderate or heavy rain shower | 11° /5° | 36.5 mm | 3 | |
| Dec. 25 | Overcast | 9° /2° | 0 mm | 2 | |
| Dec. 26 | Patchy rain possible | 10° /5° | 6.1 mm | 3 | |
| Dec. 27 | Moderate or heavy rain shower | 11° /7° | 22.5 mm | 3 | |
| Dec. 28 | Patchy rain possible | 15° /7° | 0.6 mm | 4 | |
| Dec. 29 | Moderate or heavy rain shower | 10° /6° | 27.1 mm | 3 | |
| Dec. 30 | Overcast | 11° /1° | 0 mm | 3 | |
| Dec. 31 | Partly cloudy | 10° /2° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Tuolumne County in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Tuolumne County forecast closer to your planned date for the most up-to-date weather information.
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Tuolumne County in December - FAQ
What are the expected maximum and minimum temperatures in Tuolumne County during December?
During December, expect a variety of temperatures with highs around 14° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Tuolumne County during December?
Significant rainfall exceeding 153.5 mm is expected in Tuolumne County during December, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Tuolumne County during December?
The average wind speed in Tuolumne County during December is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Tuolumne County
Explore the daily rainfall trends and prepare for Tuolumne Countys December weather 💧
Typically, Tuolumne County has 11 rainy days in December with a total of 153.5 mm of rainfall.
UV exposure in Tuolumne County during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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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.
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