California (Los Angeles)
December
Weather in California for December 2025
Your guide to California weather in December - trends and predictions
In general, the average temperature in California at the beginning of December is 20 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.4 °F by the end of December.
California in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 86.6 mm.
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Temperatures
Rain 🌧️
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15
Dry days
16
Rainy days
0
Snow days
18°/10°
Temperatures
11 km/h
Avg max wind
48 %
Avg humidity
California in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  20° | 2 19° | 3 19° | 4 20° | 5 22° | 6 21° | |
| 7  19° | 8 18° | 9  18° | 10 19° | 11 18° | 12 17° | 13 17° |
| 14  18° | 15 18° | 16 20° | 17 20° | 18 21° | 19 20° | 20 19° |
| 21 20° | 22 18° | 23 18° | 24  19° | 25 19° | 26 19° | 27 15° |
| 28 16° | 29 15° | 30 15° | 31 16° |
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Temperatures trend during December in California
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 | Sunny | 20° /11° | 0.2 mm | 5 | |
| Dec. 2 | Sunny | 19° /10° | 0.8 mm | 5 | |
| Dec. 3 | Sunny | 19° /10° | 0 mm | 5 | |
| Dec. 4 | Sunny | 20° /11° | 0.2 mm | 5 | |
| Dec. 5 | Sunny | 22° /11° | 0.1 mm | 6 | |
| Dec. 6 | Sunny | 21° /11° | 0.1 mm | 6 | |
| Dec. 7 | Cloudy | 19° /11° | 0.2 mm | 5 | |
| Dec. 8 | Cloudy | 18° /8° | 0 mm | 5 | |
| Dec. 9 | Partly cloudy | 18° /8° | 1.1 mm | 5 | |
| Dec. 10 | Sunny | 19° /9° | 0.7 mm | 5 | |
| Dec. 11 | Sunny | 18° /10° | 4.7 mm | 5 | |
| Dec. 12 | Sunny | 17° /9° | 0.5 mm | 4 | |
| Dec. 13 | Sunny | 17° /8° | 0.3 mm | 5 | |
| Dec. 14 | Overcast | 18° /9° | 8.1 mm | 5 | |
| Dec. 15 | Sunny | 18° /9° | 0 mm | 5 | |
| Dec. 16 | Sunny | 20° /9° | 0.3 mm | 5 | |
| Dec. 17 | Overcast | 20° /10° | 0 mm | 5 | |
| Dec. 18 | Sunny | 21° /10° | 0 mm | 6 | |
| Dec. 19 | Sunny | 20° /10° | 1.6 mm | 5 | |
| Dec. 20 | Sunny | 19° /9° | 5.7 mm | 5 | |
| Dec. 21 | Sunny | 20° /10° | 3 mm | 5 | |
| Dec. 22 | Overcast | 18° /11° | 2 mm | 4 | |
| Dec. 23 | Partly cloudy | 18° /10° | 6.3 mm | 5 | |
| Dec. 24 | Patchy rain possible | 19° /11° | 3.6 mm | 5 | |
| Dec. 25 | Sunny | 19° /10° | 1.3 mm | 5 | |
| Dec. 26 | Overcast | 19° /10° | 0.7 mm | 5 | |
| Dec. 27 | Partly cloudy | 15° /10° | 1.8 mm | 4 | |
| Dec. 28 | Cloudy | 16° /9° | 4.1 mm | 4 | |
| Dec. 29 | Sunny | 15° /9° | 3.7 mm | 4 | |
| Dec. 30 | Sunny | 15° /9° | 12.7 mm | 4 | |
| Dec. 31 | Sunny | 16° /10° | 7 mm | 4 | |
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Important Notice
Our weather forecast for California 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 California forecast closer to your planned date for the most up-to-date weather information.
California in December - FAQ
What are the expected maximum and minimum temperatures in California during December?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in California during December?
Moderate rainfall is anticipated in California during December, with a total of 86.6 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in California during December?
The average wind speed in California during December is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in California
Explore the daily rainfall trends and prepare for Californias December weather 💧
UV exposure in California during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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