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Weather in Santa Barbara, California for August 2025

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

    Temperatures

  • Until now, August 2025 in Santa Barbara is slightly cooler than the historical average by -0.8 °F.

  • The forecast for the upcoming days in Santa Barbara predicts a temperature of 27.9 °F, which is slightly above the historical average.

  • In general, the average temperature in Santa Barbara at the beginning of August is 27 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 26.6 °F by the end of August.

    • Rain 🌧️

  • Precipitation in Santa Barbara during August 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
31
Dry days
Average rainy days
0
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/16°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
46 %
Avg humidity

Santa Barbara Weather August

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

Temperatures trend during August in Santa Barbara

See the weather trend as well as the moving average line

August weather in Santa Barbara day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Cloudy
Cloudy
 25° /15° 0 mm 7
Aug. 2 Overcast
Overcast
 26° /15° 0 mm 6
Aug. 3 Sunny
Sunny
 28° /18° 0 mm 7
Aug. 4 Cloudy
Cloudy
 28° /19° 0 mm 7
Aug. 5 Partly cloudy
Partly cloudy
 28° /18° 0 mm 7
Aug. 6 Sunny
Sunny
 28° /18° 0 mm 7
Aug. 7 Sunny
Sunny
 26° /18° 0 mm 7
Aug. 8 Overcast
Overcast
 26° /17° 0 mm 6
Aug. 9 Overcast
Overcast
 24° /15° 0 mm 6
Aug. 10 Sunny
Sunny
 26° /16° 0 mm 7
Aug. 11 Sunny
Sunny
 26° /17° 0 mm 7
Aug. 12 Cloudy
Cloudy
 25° /17° 0 mm 6
Aug. 13 Cloudy
Cloudy
 28° /17° 0 mm 7
Aug. 14 Cloudy
Cloudy
 27° /17° 0 mm 7
Aug. 15 Sunny
Sunny
 24° /16° 0 mm 7
Aug. 16 Sunny
Sunny
 23° /15° 0 mm 6
Aug. 17 Cloudy
Cloudy
 25° /16° 0 mm 6
Aug. 18 Cloudy
Cloudy
 27° /17° 0 mm 7
Aug. 19 Sunny
Sunny
 29° /17° 0 mm 7
Aug. 20 Sunny
Sunny
 30° /16° 0 mm 8
Aug. 21 Sunny
Sunny
 28° /18° 0 mm 7
Aug. 22 Cloudy
Cloudy
 26° /18° 0 mm 7
Aug. 23 Partly cloudy
Partly cloudy
 26° /17° 0 mm 7
Aug. 24 Overcast
Overcast
 27° /16° 0 mm 7
Aug. 25 Sunny
Sunny
 27° /17° 0 mm 7
Aug. 26 Partly cloudy
Partly cloudy
 23° /17° 0 mm 2.3
Aug. 27 Partly cloudy
Partly cloudy
 23° /15° 0 mm 2.2
Aug. 28 Partly cloudy
Partly cloudy
 23° /16° 0 mm 2.4
Aug. 29 Sunny
Sunny
 29° /19° 0 mm 2.3
Aug. 30 Sunny
Sunny
 30° /19° 0 mm 0
Aug. 31 Sunny
Sunny
 31° /20° 0 mm 6
Next
Important Notice
Our weather forecast for Santa Barbara in August 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 August - FAQ

What are the expected maximum and minimum temperatures in Santa Barbara during August?
During August, expect a variety of temperatures with highs around 26° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Santa Barbara during August?
Rainfall in Santa Barbara during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 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 August?
The average wind speed in Santa Barbara during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

UV exposure in Santa Barbara during August

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

Quick links

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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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