Los Angeles County (Los Angeles)
December
Weather in Los Angeles County, California for December 2026
Your guide to Los Angeles County weather in December - trends and predictions
In general, the average temperature in Los Angeles County at the beginning of December is 19.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.3 °C by the end of December.
Los Angeles County in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 124.8 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
54 %
Avg humidity
Los Angeles County Weather December
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Temperatures trend during December in Los Angeles County
See the weather trend as well as the moving average line
December weather in Los Angeles County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Sunny | 20° /10° | 0.1 mm | 5 | |
| Dec. 2 | Sunny | 19° /10° | 0.6 mm | 5 | |
| Dec. 3 | Sunny | 19° /10° | 0 mm | 5 | |
| Dec. 4 | Sunny | 20° /11° | 0.2 mm | 5 | |
| Dec. 5 | Sunny | 21° /11° | 0.1 mm | 5 | |
| Dec. 6 | Sunny | 21° /11° | 0.1 mm | 5 | |
| Dec. 7 |  Cloudy | 19° /10° | 0.2 mm | 5 | |
| Dec. 8 | Cloudy | 20° /9° | 0 mm | 5 | |
| Dec. 9 |  Partly cloudy | 20° /9° | 0.9 mm | 5 | |
| Dec. 10 | Sunny | 20° /10° | 0.6 mm | 5 | |
| Dec. 11 | Sunny | 19° /11° | 3.9 mm | 5 | |
| Dec. 12 | Sunny | 18° /10° | 0.4 mm | 5 | |
| Dec. 13 | Sunny | 18° /9° | 0.2 mm | 5 | |
| Dec. 14 |  Overcast | 18° /10° | 6.8 mm | 5 | |
| Dec. 15 | Sunny | 19° /9° | 0 mm | 5 | |
| Dec. 16 | Sunny | 20° /10° | 0.3 mm | 5 | |
| Dec. 17 | Partly cloudy | 20° /10° | 0 mm | 5 | |
| Dec. 18 | Sunny | 22° /11° | 0 mm | 6 | |
| Dec. 19 | Sunny | 20° /10° | 1.4 mm | 5 | |
| Dec. 20 | Partly cloudy | 19° /10° | 4.7 mm | 5 | |
| Dec. 21 | Sunny | 20° /11° | 2.5 mm | 5 | |
| Dec. 22 | Overcast | 18° /11° | 1.7 mm | 4 | |
| Dec. 23 | Overcast | 18° /11° | 5.5 mm | 4 | |
| Dec. 24 |  Moderate or heavy rain shower | 18° /11° | 37.4 mm | 4 | |
| Dec. 25 | Sunny | 19° /10° | 5.6 mm | 4 | |
| Dec. 26 | Partly cloudy | 18° /11° | 20.8 mm | 4 | |
| Dec. 27 | Partly cloudy | 15° /10° | 1.5 mm | 3 | |
| Dec. 28 | Cloudy | 16° /8° | 3.4 mm | 3 | |
| Dec. 29 | Sunny | 15° /8° | 3.1 mm | 3 | |
| Dec. 30 | Sunny | 15° /9° | 10.6 mm | 3 | |
| Dec. 31 | Sunny | 16° /10° | 12.3 mm | 3 | |
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Important Notice
Our weather forecast for Los Angeles 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 Los Angeles County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Los Angeles County in December - FAQ
What are the expected maximum and minimum temperatures in Los Angeles County 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 Los Angeles County during December?
Significant rainfall exceeding 124.8 mm is expected in Los Angeles County during December, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Los Angeles County during December?
The average wind speed in Los Angeles County during December is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Los Angeles County
Explore the daily rainfall trends and prepare for Los Angeles Countys December weather 💧
Typically, Los Angeles County has 16 rainy days in December with a total of 124.8 mm of rainfall.
UV exposure in Los Angeles County during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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