Santa Clarita
December
Weather in Santa Clarita for December 2025
Your guide to Santa Clarita weather in December - trends and predictions
In general, the average temperature in Santa Clarita at the beginning of December is 21.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.9 °F by the end of December.
Santa Clarita experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 66.6 mm.
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Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
18°/9°
Temperatures
13 km/h
Avg max wind
44 %
Avg humidity
Santa Clarita in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  19° | 2 20° | 3  20° | 4  23° | 5 25° | 6 24° | |
| 7 21° | 8 18° | 9 18° | 10 18° | 11 20° | 12 17° | 13 17° |
| 14 18° | 15 19° | 16 21° | 17 22° | 18  19° | 19  16° | 20 18° |
| 21 17° | 22  17° | 23 19° | 24  16° | 25 17° | 26 18° | 27 15° |
| 28 20° | 29 18° | 30 15° | 31 15° |
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Temperatures trend during December in Santa Clarita
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 | Partly cloudy | 19° /8° | 0 mm | 6 | |
| Dec. 2 | Partly cloudy | 20° /7° | 0 mm | 5 | |
| Dec. 3 | Sunny | 20° /7° | 0 mm | 6 | |
| Dec. 4 | Overcast | 23° /10° | 0 mm | 6 | |
| Dec. 5 | Sunny | 25° /10° | 0 mm | 7 | |
| Dec. 6 | Sunny | 24° /10° | 0 mm | 6 | |
| Dec. 7 | Partly cloudy | 21° /8° | 0 mm | 6 | |
| Dec. 8 | Sunny | 18° /7° | 0 mm | 5 | |
| Dec. 9 | Partly cloudy | 18° /5° | 0 mm | 5 | |
| Dec. 10 | Sunny | 18° /4° | 0 mm | 5 | |
| Dec. 11 | Overcast | 20° /8° | 0 mm | 5 | |
| Dec. 12 | Sunny | 17° /8° | 0 mm | 5 | |
| Dec. 13 | Sunny | 17° /6° | 0 mm | 5 | |
| Dec. 14 | Overcast | 18° /8° | 0 mm | 4 | |
| Dec. 15 | Sunny | 19° /7° | 0 mm | 6 | |
| Dec. 16 | Sunny | 21° /8° | 0 mm | 6 | |
| Dec. 17 | Overcast | 22° /10° | 0 mm | 6 | |
| Dec. 18 | Light rain shower | 19° /9° | 0.8 mm | 5 | |
| Dec. 19 | Moderate or heavy rain with thunder | 16° /11° | 3.8 mm | 4 | |
| Dec. 20 | Light rain shower | 18° /10° | 7.1 mm | 5 | |
| Dec. 21 | Light rain shower | 17° /10° | 11.2 mm | 5 | |
| Dec. 22 | Patchy light rain with thunder | 17° /10° | 3.7 mm | 4 | |
| Dec. 23 | Sunny | 19° /9° | 0 mm | 6 | |
| Dec. 24 | Cloudy | 16° /7° | 0 mm | 4 | |
| Dec. 25 | Partly cloudy | 17° /7° | 0 mm | 5 | |
| Dec. 26 | Partly cloudy | 18° /8° | 0 mm | 5 | |
| Dec. 27 | Overcast | 15° /7° | 0 mm | 4 | |
| Dec. 28 | Overcast | 20° /9° | 0 mm | 5 | |
| Dec. 29 | Overcast | 18° /9° | 0 mm | 5 | |
| Dec. 30 | Light rain shower | 15° /7° | 4.8 mm | 4 | |
| Dec. 31 | Light rain shower | 15° /6° | 1.7 mm | 4 | |
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Important Notice
Our weather forecast for Santa Clarita 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 Santa Clarita forecast closer to your planned date for the most up-to-date weather information.
Santa Clarita in December - FAQ
What are the expected maximum and minimum temperatures in Santa Clarita during December?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santa Clarita during December?
Moderate rainfall is anticipated in Santa Clarita during December, with a total of 66.6 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Santa Clarita during December?
The average wind speed in Santa Clarita during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Santa Clarita
Explore the daily rainfall trends and prepare for Santa Claritas December weather 💧
UV exposure in Santa Clarita during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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