Stanislaus County (Modesto)
December
Weather in Stanislaus County for December 2025
Your guide to Stanislaus County weather in December - trends and predictions
In general, the average temperature in Stanislaus County at the beginning of December is 17.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.9 °F by the end of December.
Stanislaus County experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 61.5 mm.
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Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
16°/7°
Temperatures
13 km/h
Avg max wind
65 %
Avg humidity
Stanislaus County in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  17° | 2  17° | 3  18° | 4 18° | 5 19° | 6 17° | |
| 7  15° | 8  15° | 9  13° | 10 14° | 11 15° | 12 14° | 13 14° |
| 14 14° | 15  11° | 16 15° | 17 14° | 18 14° | 19 13° | 20  17° |
| 21 15° | 22 17° | 23 15° | 24 14° | 25 13° | 26 13° | 27 14° |
| 28 17° | 29 16° | 30 12° | 31 12° |
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Temperatures trend during December in Stanislaus County
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Cloudy | 17° /5° | 0 mm | 4 | |
| Dec. 2 | Patchy rain possible | 17° /5° | 0 mm | 4 | |
| Dec. 3 | Mist | 18° /5° | 0 mm | 5 | |
| Dec. 4 | Fog | 18° /7° | 0 mm | 5 | |
| Dec. 5 | Mist | 19° /5° | 0 mm | 5 | |
| Dec. 6 | Patchy rain possible | 17° /4° | 0 mm | 4 | |
| Dec. 7 | Light drizzle | 15° /6° | 0.3 mm | 4 | |
| Dec. 8 | Overcast | 15° /4° | 0 mm | 4 | |
| Dec. 9 | Partly cloudy | 13° /0° | 0 mm | 4 | |
| Dec. 10 | Overcast | 14° /1° | 0 mm | 4 | |
| Dec. 11 | Partly cloudy | 15° /3° | 0 mm | 4 | |
| Dec. 12 | Partly cloudy | 14° /6° | 11.2 mm | 4 | |
| Dec. 13 | Cloudy | 14° /5° | 0 mm | 4 | |
| Dec. 14 | Overcast | 14° /8° | 2.3 mm | 4 | |
| Dec. 15 | Sunny | 11° /5° | 0 mm | 4 | |
| Dec. 16 | Sunny | 15° /5° | 3.4 mm | 4 | |
| Dec. 17 | Overcast | 14° /7° | 0.1 mm | 4 | |
| Dec. 18 | Light rain shower | 14° /8° | 1.7 mm | 4 | |
| Dec. 19 | Light rain shower | 13° /8° | 7.4 mm | 3 | |
| Dec. 20 | Moderate rain | 17° /8° | 10.9 mm | 4 | |
| Dec. 21 | Cloudy | 15° /7° | 0.2 mm | 4 | |
| Dec. 22 | Sunny | 17° /9° | 4.1 mm | 5 | |
| Dec. 23 | Partly cloudy | 15° /8° | 0 mm | 4 | |
| Dec. 24 | Overcast | 14° /8° | 20.7 mm | 4 | |
| Dec. 25 | Partly cloudy | 13° /7° | 0 mm | 4 | |
| Dec. 26 | Partly cloudy | 13° /7° | 0 mm | 4 | |
| Dec. 27 | Light rain shower | 14° /9° | 17.7 mm | 4 | |
| Dec. 28 | Partly cloudy | 17° /9° | 0.1 mm | 5 | |
| Dec. 29 | Patchy rain possible | 16° /9° | 0.5 mm | 4 | |
| Dec. 30 | Light rain shower | 12° /7° | 6.2 mm | 3 | |
| Dec. 31 | Light rain shower | 12° /4° | 0.6 mm | 3 | |
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Important Notice
Our weather forecast for Stanislaus 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 Stanislaus County forecast closer to your planned date for the most up-to-date weather information.
Stanislaus County in December - FAQ
What are the expected maximum and minimum temperatures in Stanislaus County during December?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Stanislaus County during December?
Moderate rainfall is anticipated in Stanislaus County during December, with a total of 61.5 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Stanislaus County during December?
The average wind speed in Stanislaus County during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Stanislaus County
Explore the daily rainfall trends and prepare for Stanislaus Countys December weather 💧
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