Santa Barbara County (Santa Barbara)
December
Weather in Santa Barbara County for December 2025
Your guide to Santa Barbara County weather in December - trends and predictions
In general, the average temperature in Santa Barbara County at the beginning of December is 17.6 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.1 °F by the end of December.
With an average of 2 rainy days, Santa Barbara County experiences minimal rainfall in December.
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Temperatures
Rain 🌧️
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29
Dry days
2
Rainy days
0
Snow days
18°/10°
Temperatures
13 km/h
Avg max wind
57 %
Avg humidity
Santa Barbara County Weather December
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Temperatures trend during December in Santa Barbara County
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December weather in Santa Barbara County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Partly cloudy | 18° /11° | 0 mm | 5 | |
| Dec. 2 |  Overcast | 17° /9° | 0 mm | 4 | |
| Dec. 3 |  Cloudy | 15° /10° | 0 mm | 4 | |
| Dec. 4 | Partly cloudy | 15° /8° | 0 mm | 5 | |
| Dec. 5 | Cloudy | 18° /9° | 0 mm | 4 | |
| Dec. 6 |  Sunny | 21° /10° | 0 mm | 6 | |
| Dec. 7 | Cloudy | 19° /10° | 0 mm | 4 | |
| Dec. 8 | Overcast | 15° /9° | 0 mm | 4 | |
| Dec. 9 | Partly cloudy | 15° /7° | 0 mm | 5 | |
| Dec. 10 | Sunny | 18° /8° | 0 mm | 5 | |
| Dec. 11 | Overcast | 18° /9° | 0 mm | 4 | |
| Dec. 12 | Cloudy | 17° /9° | 0 mm | 4 | |
| Dec. 13 | Partly cloudy | 15° /7° | 0 mm | 5 | |
| Dec. 14 |  Moderate rain at times | 14° /8° | 2.3 mm | 3 | |
| Dec. 15 | Sunny | 17° /6° | 0 mm | 5 | |
| Dec. 16 | Overcast | 19° /9° | 0 mm | 4 | |
| Dec. 17 | Sunny | 22° /10° | 0 mm | 6 | |
| Dec. 18 | Sunny | 23° /11° | 0 mm | 6 | |
| Dec. 19 | Overcast | 22° /13° | 0 mm | 5 | |
| Dec. 20 | Partly cloudy | 15° /11° | 0 mm | 5 | |
| Dec. 21 | Cloudy | 15° /10° | 0 mm | 3 | |
| Dec. 22 | Overcast | 21° /11° | 0 mm | 5 | |
| Dec. 23 | Cloudy | 15° /11° | 0 mm | 4 | |
| Dec. 24 | Moderate rain at times | 17° /11° | 0.9 mm | 4 | |
| Dec. 25 | Partly cloudy | 16° /8° | 0 mm | 5 | |
| Dec. 26 | Overcast | 19° /9° | 0 mm | 4 | |
| Dec. 27 | Overcast | 19° /11° | 0 mm | 4 | |
| Dec. 28 | Partly cloudy | 18° /11° | 0 mm | 5 | |
| Dec. 29 | Sunny | 21° /9° | 0 mm | 6 | |
| Dec. 30 | Sunny | 17° /10° | 0 mm | 5 | |
| Dec. 31 | Cloudy | 17° /9° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Santa Barbara 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 Santa Barbara County forecast closer to your planned date for the most up-to-date weather information.
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Santa Barbara County in December - FAQ
What are the expected maximum and minimum temperatures in Santa Barbara 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 Santa Barbara County during December?
Rainfall in Santa Barbara County during December is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Santa Barbara County during December?
The average wind speed in Santa Barbara County during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Santa Barbara County
Explore the daily rainfall trends and prepare for Santa Barbara Countys December weather 💧
UV exposure in Santa Barbara County during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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