Shasta County (Redding)
December
Weather in Shasta County, California for December 2025
Your guide to Shasta County weather in December - trends and predictions
In general, the average temperature in Shasta County at the beginning of December is 17.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.3 °F by the end of December.
The climate of Shasta County in December is notably wet, with an average of 15 rainy days, and a total of 561.4 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
12°/6°
Temperatures
13 km/h
Avg max wind
70 %
Avg humidity
Shasta County Weather December
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Temperatures trend during December in Shasta County
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December weather in Shasta County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Partly cloudy | 15° /4° | 0 mm | 5 | |
| Dec. 2 |  Cloudy | 16° /7° | 0 mm | 4 | |
| Dec. 3 |  Sunny | 19° /8° | 0 mm | 5 | |
| Dec. 4 | Sunny | 18° /7° | 0 mm | 5 | |
| Dec. 5 |  Overcast | 20° /7° | 0 mm | 5 | |
| Dec. 6 | Overcast | 20° /10° | 0 mm | 5 | |
| Dec. 7 | Overcast | 14° /8° | 0 mm | 3 | |
| Dec. 8 | Sunny | 16° /6° | 0 mm | 5 | |
| Dec. 9 | Sunny | 15° /6° | 0 mm | 5 | |
| Dec. 10 | Overcast | 13° /6° | 0 mm | 3 | |
| Dec. 11 | Cloudy | 13° /4° | 0.4 mm | 3 | |
| Dec. 12 |  Moderate or heavy rain shower | 6° /4° | 46.2 mm | 2 | |
| Dec. 13 | Moderate or heavy rain shower | 7° /5° | 58 mm | 2 | |
| Dec. 14 | Moderate or heavy rain shower | 7° /3° | 114.6 mm | 2 | |
| Dec. 15 |  Patchy rain possible | 9° /2° | 0.4 mm | 2 | |
| Dec. 16 | Moderate or heavy rain shower | 6° /5° | 34.3 mm | 2 | |
| Dec. 17 | Overcast | 11° /6° | 0 mm | 3 | |
| Dec. 18 | Overcast | 17° /5° | 0 mm | 4 | |
| Dec. 19 | Overcast | 13° /5° | 0 mm | 3 | |
| Dec. 20 | Overcast | 11° /7° | 0 mm | 3 | |
| Dec. 21 | Moderate or heavy rain shower | 8° /6° | 34.4 mm | 2 | |
| Dec. 22 | Moderate or heavy rain shower | 10° /7° | 17.6 mm | 3 | |
| Dec. 23 | Moderate or heavy rain shower | 11° /8° | 39.5 mm | 3 | |
| Dec. 24 | Moderate or heavy rain shower | 11° /6° | 53 mm | 3 | |
| Dec. 25 | Overcast | 9° /4° | 0.7 mm | 2 | |
| Dec. 26 | Moderate or heavy rain shower | 8° /6° | 66.5 mm | 2 | |
| Dec. 27 | Moderate or heavy rain shower | 11° /8° | 51.9 mm | 3 | |
| Dec. 28 |  Heavy rain at times | 11° /9° | 19.1 mm | 3 | |
| Dec. 29 | Moderate or heavy rain shower | 13° /6° | 24.8 mm | 3 | |
| Dec. 30 | Partly cloudy | 12° /3° | 0 mm | 4 | |
| Dec. 31 | Overcast | 8° /3° | 0 mm | 2 | |
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Important Notice
Our weather forecast for Shasta 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 Shasta County forecast closer to your planned date for the most up-to-date weather information.
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Shasta County in December - FAQ
What are the expected maximum and minimum temperatures in Shasta County during December?
During December, expect a variety of temperatures with highs around 12° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Shasta County during December?
Significant rainfall exceeding 561.4 mm is expected in Shasta County during December, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Shasta County during December?
The average wind speed in Shasta County during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Shasta County
Explore the daily rainfall trends and prepare for Shasta Countys December weather 💧
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