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Weather in Santa Rosa for August 2025

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

    Temperatures

  • In general, the average temperature in Santa Rosa at the beginning of August is 29.7 °F. As the month progressed, temperatures tended to remain steady, reaching an average of 29.7 °F by the end of August.

    • Rain 🌧️

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

    • More

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Average dry days
31
Dry days
Average rainy days
0
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/12°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
62 %
Avg humidity

Santa Rosa in August average weather

Move between months or click on a day
July
September
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
28°
2
Overcast
29°
3
Overcast
28°
4
Partly cloudy
29°
5
Partly cloudy
30°
6
Sunny
33°
7
Partly cloudy
31°
8
Overcast
26°
9
Overcast
27°
10
Overcast
28°
11
Overcast
25°
12
Overcast
27°
13
Overcast
29°
14
Overcast
31°
15
Cloudy
30°
16
Cloudy
30°
17
Cloudy
26°
18
Overcast
25°
19
Cloudy
28°
20
Overcast
29°
21
Patchy rain possible
26°
22
Cloudy
26°
23
Cloudy
27°
24
Partly cloudy
27°
25
Mist
27°
26
Mist
30°
27
Partly cloudy
31°
28
Cloudy
31°
29
Sunny
30°
30
Sunny
30°
31
Overcast
29°
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Temperatures trend during August in Santa Rosa

See the weather trend as well as the moving average line

August weather day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Overcast
Overcast
 28° /11° 0 mm 7
Aug. 2 Overcast
Overcast
 29° /11° 0 mm 7
Aug. 3 Overcast
Overcast
 28° /11° 0 mm 7
Aug. 4 Partly cloudy
Partly cloudy
 29° /11° 0 mm 7
Aug. 5 Partly cloudy
Partly cloudy
 30° /11° 0 mm 8
Aug. 6 Sunny
Sunny
 33° /14° 0 mm 8
Aug. 7 Partly cloudy
Partly cloudy
 31° /14° 0 mm 8
Aug. 8 Overcast
Overcast
 26° /11° 0 mm 6
Aug. 9 Overcast
Overcast
 27° /11° 0 mm 7
Aug. 10 Overcast
Overcast
 28° /11° 0 mm 7
Aug. 11 Overcast
Overcast
 25° /11° 0 mm 7
Aug. 12 Overcast
Overcast
 27° /10° 0 mm 7
Aug. 13 Overcast
Overcast
 29° /10° 0 mm 7
Aug. 14 Overcast
Overcast
 31° /12° 0 mm 7
Aug. 15 Cloudy
Cloudy
 30° /12° 0 mm 7
Aug. 16 Cloudy
Cloudy
 30° /12° 0 mm 7
Aug. 17 Cloudy
Cloudy
 26° /12° 0 mm 6
Aug. 18 Overcast
Overcast
 25° /12° 0 mm 6
Aug. 19 Cloudy
Cloudy
 28° /10° 0 mm 7
Aug. 20 Overcast
Overcast
 29° /12° 0 mm 7
Aug. 21 Patchy rain possible
Patchy rain possible
 26° /12° 0.4 mm 6
Aug. 22 Cloudy
Cloudy
 26° /12° 0 mm 6
Aug. 23 Cloudy
Cloudy
 27° /11° 0 mm 6
Aug. 24 Partly cloudy
Partly cloudy
 27° /12° 0 mm 7
Aug. 25 Mist
Mist
 27° /10° 0 mm 7
Aug. 26 Mist
Mist
 30° /12° 0 mm 8
Aug. 27 Partly cloudy
Partly cloudy
 31° /11° 0 mm 8
Aug. 28 Cloudy
Cloudy
 31° /12° 0 mm 8
Aug. 29 Sunny
Sunny
 30° /10° 0 mm 8
Aug. 30 Sunny
Sunny
 30° /11° 0 mm 8
Aug. 31 Overcast
Overcast
 29° /10° 0 mm 7
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Important Notice
Our weather forecast for Santa Rosa 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 Rosa forecast closer to your planned date for the most up-to-date weather information.

Santa Rosa in August - FAQ

What are the expected maximum and minimum temperatures in Santa Rosa during August?
Enjoy moderate daytime temperatures of up to 28° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santa Rosa during August?
Rainfall in Santa Rosa 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 Rosa during August?
The average wind speed in Santa Rosa during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Santa Rosa

Explore the daily rainfall trends and prepare for Santa Rosas August weather 💧

UV exposure in Santa Rosa during August

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

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Location coordinates Where is Santa Rosa?

Get accurate weather forecasts for Santa Rosa, located at latitude 38.44 and longitude -122.714. Stay updated with localized weather information tailored for Santa Rosa.

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