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Stanislaus County (Modesto)
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United States weather

Weather in Stanislaus County, California for December 2025

Your guide to Stanislaus County weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Stanislaus County is slightly cooler than the historical average by -1.9 °F.

  • The forecast for the next days in Stanislaus County predicts temperatures to be around 15 °F, close to the historical average.

  • In general, the average temperature in Stanislaus County 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.

    • Rain 🌧️

  • Stanislaus County experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 87.4 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/6°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Stanislaus County Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Cloudy
16°
2
Patchy rain possible
17°
3
Mist
17°
4
Fog
14°
5
Mist
17°
6
Patchy rain possible
17°
7
Light drizzle
14°
8
Overcast
13°
9
Partly cloudy
11°
10
Overcast
15°
11
Partly cloudy
15°
12
Partly cloudy
15°
13
Cloudy
16°
14
Overcast
15°
15
Sunny
13°
16
Sunny
15°
17
Patchy rain possible
18°
18
Overcast
15°
19
Mist
15°
20
Patchy rain possible
19°
21
Patchy rain possible
20°
22
Overcast
19°
23
Patchy rain possible
18°
24
Patchy rain possible
11°
25
Moderate rain
10°
26
Patchy rain possible
14°
27
Partly cloudy
16°
28
Patchy rain possible
12°
29
Patchy rain possible
15°
30
Overcast
13°
31
Light rain shower
12°

Temperatures trend during December in Stanislaus County

See the weather trend as well as the moving average line

December weather in Stanislaus County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Cloudy
Cloudy
 16° /3° 0 mm 4
Dec. 2 Patchy rain possible
Patchy rain possible
 17° /4° 0 mm 4
Dec. 3 Mist
Mist
 17° /4° 0 mm 4
Dec. 4 Fog
Fog
 14° /5° 0 mm 4
Dec. 5 Mist
Mist
 17° /4° 0 mm 4
Dec. 6 Patchy rain possible
Patchy rain possible
 17° /4° 0 mm 4
Dec. 7 Light drizzle
Light drizzle
 14° /5° 0.2 mm 3
Dec. 8 Overcast
Overcast
 13° /4° 0 mm 3
Dec. 9 Partly cloudy
Partly cloudy
 11° /1° 0 mm 3
Dec. 10 Overcast
Overcast
 15° /1° 0 mm 4
Dec. 11 Partly cloudy
Partly cloudy
 15° /3° 0 mm 4
Dec. 12 Partly cloudy
Partly cloudy
 15° /4° 7.5 mm 4
Dec. 13 Cloudy
Cloudy
 16° /4° 0 mm 4
Dec. 14 Overcast
Overcast
 15° /6° 1.5 mm 4
Dec. 15 Sunny
Sunny
 13° /5° 0 mm 4
Dec. 16 Sunny
Sunny
 15° /6° 2.3 mm 4
Dec. 17 Patchy rain possible
Patchy rain possible
 18° /7° 0.6 mm 0.3
Dec. 18 Overcast
Overcast
 15° /9° 0 mm 0.4
Dec. 19 Mist
Mist
 15° /5° 0 mm 0.4
Dec. 20 Patchy rain possible
Patchy rain possible
 19° /11° 0.2 mm 0.4
Dec. 21 Patchy rain possible
Patchy rain possible
 20° /15° 0.9 mm 0
Dec. 22 Overcast
Overcast
 19° /13° 0 mm 4
Dec. 23 Patchy rain possible
Patchy rain possible
 18° /11° 1.1 mm 3
Dec. 24 Patchy rain possible
Patchy rain possible
 11° /9° 4.8 mm 3
Dec. 25 Moderate rain
Moderate rain
 10° /8° 5.3 mm 2
Dec. 26 Patchy rain possible
Patchy rain possible
 14° /11° 0.2 mm 3
Dec. 27 Partly cloudy
Partly cloudy
 16° /9° 0 mm 4
Dec. 28 Patchy rain possible
Patchy rain possible
 12° /10° 0.5 mm 3
Dec. 29 Patchy rain possible
Patchy rain possible
 15° /9° 0.1 mm 3
Dec. 30 Overcast
Overcast
 13° /9° 0 mm 3
Dec. 31 Light rain shower
Light rain shower
 12° /4° 0.6 mm 3
Next
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.
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Stanislaus County in December - FAQ

What are the expected maximum and minimum temperatures in Stanislaus County 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 Stanislaus County during December?
Moderate rainfall is anticipated in Stanislaus County 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 Stanislaus County during December?
The average wind speed in Stanislaus County during December is 14 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 💧
Typically, Stanislaus County has 10 rainy days in December with a total of 87.4 mm of rainfall.
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Location coordinates Where is Stanislaus County?

Get accurate weather forecasts for Stanislaus County, located at latitude 37.639 and longitude -120.997. Stay updated with localized weather information tailored for Stanislaus County.

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