Modesto (CA)
December
Weather in Modesto, California for December 2025
Your guide to Modesto weather in December - trends and predictions
Until now, December 2025 in Modesto is slightly cooler than the historical average by -1.9 °F.
The forecast for the next days in Modesto predicts temperatures to be around 15 °F, close to the historical average.
In general, the average temperature in Modesto at the beginning of December is 16 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 13.1 °F by the end of December.
Modesto experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 87.4 mm.
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Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
15°/6°
Temperatures
14 km/h
Avg max wind
71 %
Avg humidity
Modesto Weather December
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Temperatures trend during December in Modesto
See the weather trend as well as the moving average line
December weather in Modesto day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Cloudy | 16° /3° | 0 mm | 4 | |
| Dec. 2 |  Patchy rain possible | 17° /4° | 0 mm | 4 | |
| Dec. 3 |  Mist | 17° /4° | 0 mm | 4 | |
| Dec. 4 | Fog | 14° /5° | 0 mm | 4 | |
| Dec. 5 | Mist | 17° /4° | 0 mm | 4 | |
| Dec. 6 | Patchy rain possible | 17° /4° | 0 mm | 4 | |
| Dec. 7 |  Light drizzle | 14° /5° | 0.2 mm | 3 | |
| Dec. 8 |  Overcast | 13° /4° | 0 mm | 3 | |
| Dec. 9 |  Partly cloudy | 11° /1° | 0 mm | 3 | |
| Dec. 10 | Overcast | 15° /1° | 0 mm | 4 | |
| Dec. 11 | Partly cloudy | 15° /3° | 0 mm | 4 | |
| Dec. 12 | Partly cloudy | 15° /4° | 7.5 mm | 4 | |
| Dec. 13 | Cloudy | 16° /4° | 0 mm | 4 | |
| Dec. 14 | Overcast | 15° /6° | 1.5 mm | 4 | |
| Dec. 15 |  Sunny | 13° /5° | 0 mm | 4 | |
| Dec. 16 | Sunny | 15° /6° | 2.3 mm | 4 | |
| Dec. 17 | Patchy rain possible | 18° /7° | 0.6 mm | 0.3 | |
| Dec. 18 | Overcast | 15° /9° | 0 mm | 0.4 | |
| Dec. 19 | Mist | 15° /5° | 0 mm | 0.4 | |
| Dec. 20 | Patchy rain possible | 19° /11° | 0.2 mm | 0.4 | |
| Dec. 21 | Patchy rain possible | 20° /15° | 0.9 mm | 0 | |
| Dec. 22 | Overcast | 19° /13° | 0 mm | 4 | |
| Dec. 23 | Patchy rain possible | 18° /11° | 1.1 mm | 3 | |
| Dec. 24 | Patchy rain possible | 11° /9° | 4.8 mm | 3 | |
| Dec. 25 |  Moderate rain | 10° /8° | 5.3 mm | 2 | |
| Dec. 26 | Patchy rain possible | 14° /11° | 0.2 mm | 3 | |
| Dec. 27 | Partly cloudy | 16° /9° | 0 mm | 4 | |
| Dec. 28 | Patchy rain possible | 12° /10° | 0.5 mm | 3 | |
| Dec. 29 | Patchy rain possible | 15° /9° | 0.1 mm | 3 | |
| Dec. 30 | Overcast | 13° /9° | 0 mm | 3 | |
| Dec. 31 | Light rain shower | 12° /4° | 0.6 mm | 3 | |
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Important Notice
Our weather forecast for Modesto 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 Modesto forecast closer to your planned date for the most up-to-date weather information.
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Modesto in December - FAQ
What are the expected maximum and minimum temperatures in Modesto during December?
During December, expect a variety of temperatures with highs around 15° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Modesto during December?
Moderate rainfall is anticipated in Modesto during December, with a total of 87.4 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Modesto during December?
The average wind speed in Modesto during December is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Modesto
Explore the daily rainfall trends and prepare for Modestos December weather 💧
Typically, Modesto has 10 rainy days in December with a total of 87.4 mm of rainfall.
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