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Weather in Santa Barbara, California for December 2025

Your guide to Santa Barbara weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Santa Barbara has been nearly identical to the historical average, with a temperature of 17.1 °F (showing only a slight deviation of -0.4 °F).

  • The forecast for the coming days of December 2025 predicts a temperature of 22.9 °F , which is warmer than usual.

  • In general, the average temperature in Santa Barbara at the beginning of December is 17.4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.1 °F by the end of December.

    • Rain 🌧️

  • Precipitation in Santa Barbara during December is a rare event, with an average of fewer than 2 rainy days.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/9°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
57 %
Avg humidity

Santa Barbara Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
18°
2
Overcast
17°
3
Cloudy
15°
4
Partly cloudy
17°
5
Cloudy
18°
6
Sunny
19°
7
Cloudy
18°
8
Overcast
18°
9
Partly cloudy
19°
10
Sunny
28°
11
Sunny
21°
12
Partly cloudy
18°
13
Overcast
20°
14
Sunny
21°
15
Sunny
22°
16
Sunny
25°
17
Sunny
24°
18
Sunny
26°
19
Sunny
25°
20
Sunny
23°
21
Sunny
24°
22
Sunny
22°
23
Sunny
21°
24
Moderate rain at times
17°
25
Partly cloudy
16°
26
Overcast
19°
27
Overcast
19°
28
Partly cloudy
18°
29
Sunny
21°
30
Sunny
17°
31
Cloudy
17°

Temperatures trend during December in Santa Barbara

See the weather trend as well as the moving average line

December weather in Santa Barbara day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Partly cloudy
Partly cloudy
 18° /10° 0 mm 5
Dec. 2 Overcast
Overcast
 17° /10° 0 mm 5
Dec. 3 Cloudy
Cloudy
 15° /9° 0 mm 4
Dec. 4 Partly cloudy
Partly cloudy
 17° /9° 0 mm 5
Dec. 5 Cloudy
Cloudy
 18° /10° 0 mm 5
Dec. 6 Sunny
Sunny
 19° /11° 0 mm 6
Dec. 7 Cloudy
Cloudy
 18° /10° 0 mm 5
Dec. 8 Overcast
Overcast
 18° /11° 0 mm 5
Dec. 9 Partly cloudy
Partly cloudy
 19° /11° 0 mm 6
Dec. 10 Sunny
Sunny
 28° /16° 0 mm 0.6
Dec. 11 Sunny
Sunny
 21° /16° 0 mm 0.6
Dec. 12 Partly cloudy
Partly cloudy
 18° /14° 0 mm 0.6
Dec. 13 Overcast
Overcast
 20° /13° 0 mm 0.5
Dec. 14 Sunny
Sunny
 21° /12° 0 mm 0
Dec. 15 Sunny
Sunny
 22° /12° 0 mm 5
Dec. 16 Sunny
Sunny
 25° /13° 0 mm 5
Dec. 17 Sunny
Sunny
 24° /14° 0 mm 5
Dec. 18 Sunny
Sunny
 26° /15° 0 mm 5
Dec. 19 Sunny
Sunny
 25° /15° 0 mm 5
Dec. 20 Sunny
Sunny
 23° /15° 0 mm 5
Dec. 21 Sunny
Sunny
 24° /14° 0 mm 5
Dec. 22 Sunny
Sunny
 22° /13° 0 mm 5
Dec. 23 Sunny
Sunny
 21° /11° 0 mm 4
Dec. 24 Moderate rain at times
Moderate rain at times
 17° /11° 0.9 mm 4
Dec. 25 Partly cloudy
Partly cloudy
 16° /8° 0 mm 5
Dec. 26 Overcast
Overcast
 19° /9° 0 mm 4
Dec. 27 Overcast
Overcast
 19° /11° 0 mm 4
Dec. 28 Partly cloudy
Partly cloudy
 18° /11° 0 mm 5
Dec. 29 Sunny
Sunny
 21° /9° 0 mm 6
Dec. 30 Sunny
Sunny
 17° /10° 0 mm 5
Dec. 31 Cloudy
Cloudy
 17° /9° 0 mm 4
Next
Important Notice
Our weather forecast for Santa Barbara 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 forecast closer to your planned date for the most up-to-date weather information.
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Santa Barbara in December - FAQ

What are the expected maximum and minimum temperatures in Santa Barbara 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 Barbara during December?
Rainfall in Santa Barbara during December is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 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 during December?
The average wind speed in Santa Barbara during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

UV exposure in Santa Barbara during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

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Location coordinates Where is Santa Barbara?

Get accurate weather forecasts for Santa Barbara, located at latitude 34.421 and longitude -119.698. Stay updated with localized weather information tailored for Santa Barbara.

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