Modesto (CA)
December
Weather in Modesto, California for December 2026
Your guide to Modesto weather in December - trends and predictions
In general, the average temperature in Modesto at the beginning of December is 16 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 13 °C by the end of December.
The climate of Modesto in December is notably wet, with an average of 13 rainy days, and a total of 155.4 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
13
Rainy days
0
Snow days
14°/6°
Temperatures
13 km/h
Avg max wind
76 %
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 | Overcast | 15° /8° | 0.1 mm | 4 | |
| Dec. 18 | Light rain shower | 13° /8° | 1.1 mm | 3 | |
| Dec. 19 | Light rain shower | 13° /8° | 4.9 mm | 3 | |
| Dec. 20 |  Moderate rain | 16° /9° | 7.3 mm | 3 | |
| Dec. 21 | Cloudy | 15° /8° | 16.6 mm | 2 | |
| Dec. 22 | Sunny | 16° /10° | 42.9 mm | 3 | |
| Dec. 23 | Fog | 15° /8° | 0 mm | 3 | |
| Dec. 24 | Overcast | 14° /9° | 31.9 mm | 2 | |
| Dec. 25 | Partly cloudy | 13° /8° | 21.5 mm | 3 | |
| Dec. 26 | Partly cloudy | 14° /8° | 1 mm | 3 | |
| Dec. 27 | Light rain shower | 13° /8° | 11.8 mm | 2 | |
| Dec. 28 | Partly cloudy | 15° /7° | 0.1 mm | 3 | |
| Dec. 29 | Patchy rain possible | 12° /7° | 0.3 mm | 2 | |
| Dec. 30 | Light rain shower | 12° /4° | 4.1 mm | 2 | |
| Dec. 31 | Light rain shower | 12° /5° | 0.4 mm | 2 | |
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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.
Change Month
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 14° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Modesto during December?
Significant rainfall exceeding 155.4 mm is expected in Modesto during December, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Modesto during December?
The average wind speed in Modesto during December is 13 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 13 rainy days in December with a total of 155.4 mm of rainfall.
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