Santa Rosa
August
Weather in Santa Rosa for August 2025
Your guide to Santa Rosa weather in August - trends and predictions
In general, the average temperature in Santa Rosa at the beginning of August is 28.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 29.1 °C by the end of August.
Santa Rosa experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 259.7 mm.
Temperatures
Rain 🌧️
3
Dry days
28
Rainy days
0
Snow days
30°/25°
Temperatures
15 km/h
Avg max wind
82 %
Avg humidity
Santa Rosa Weather August
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Temperatures trend during August in Santa Rosa
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August weather in Santa Rosa day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 30° /27° | 0.8 mm | 6 | |
| 2 Aug. |  Moderate or heavy rain shower | 28° /23° | 17.2 mm | 6 | |
| 3 Aug. | Moderate rain at times | 28° /23° | 2.7 mm | 6 | |
| 4 Aug. | Moderate or heavy rain shower | 29° /23° | 14.1 mm | 6 | |
| 5 Aug. | Moderate or heavy rain shower | 28° /24° | 10.1 mm | 6 | |
| 6 Aug. | Moderate or heavy rain shower | 28° /24° | 5 mm | 6 | |
| 7 Aug. | Moderate rain at times | 30° /24° | 2.2 mm | 7 | |
| 8 Aug. | Moderate or heavy rain shower | 27° /24° | 21.1 mm | 6 | |
| 9 Aug. |  Heavy rain at times | 28° /25° | 2.4 mm | 6 | |
| 10 Aug. | Moderate or heavy rain shower | 28° /25° | 7.4 mm | 6 | |
| 11 Aug. | Patchy rain possible | 30° /24° | 0.6 mm | 7 | |
| 12 Aug. | Patchy rain possible | 31° /26° | 0.1 mm | 7 | |
| 13 Aug. | Patchy rain possible | 31° /25° | 0.2 mm | 7 | |
| 14 Aug. | Heavy rain at times | 31° /25° | 1.6 mm | 7 | |
| 15 Aug. | Patchy rain possible | 31° /25° | 1.3 mm | 7 | |
| 16 Aug. | Patchy rain possible | 31° /26° | 1.4 mm | 7 | |
| 17 Aug. |  Overcast | 31° /25° | 0.1 mm | 7 | |
| 18 Aug. | Moderate or heavy rain shower | 31° /26° | 5.4 mm | 7 | |
| 19 Aug. | Patchy rain possible | 32° /26° | 2.2 mm | 7 | |
| 20 Aug. | Moderate or heavy rain shower | 31° /24° | 9.1 mm | 7 | |
| 21 Aug. | Patchy rain possible | 32° /25° | 1 mm | 7 | |
| 22 Aug. | Heavy rain at times | 32° /26° | 2.8 mm | 7 | |
| 23 Aug. | Moderate or heavy rain shower | 31° /26° | 13 mm | 7 | |
| 24 Aug. | Moderate or heavy rain shower | 30° /25° | 25.4 mm | 7 | |
| 25 Aug. | Moderate or heavy rain shower | 30° /25° | 11.3 mm | 7 | |
| 26 Aug. | Moderate or heavy rain shower | 30° /25° | 18.3 mm | 7 | |
| 27 Aug. | Moderate or heavy rain shower | 28° /25° | 18 mm | 6 | |
| 28 Aug. | Moderate or heavy rain shower | 27° /24° | 16.7 mm | 6 | |
| 29 Aug. | Moderate or heavy rain shower | 29° /24° | 19.5 mm | 6 | |
| 30 Aug. | Moderate or heavy rain shower | 30° /24° | 10.4 mm | 7 | |
| 31 Aug. | Light rain shower | 30° /25° | 4.3 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.
Change Month
Santa Rosa in August - FAQ
What are the expected maximum and minimum temperatures in Santa Rosa during August?
During August, expect a variety of temperatures with highs around 30° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Santa Rosa during August?
Significant rainfall exceeding 259.7 mm is expected in Santa Rosa during August, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
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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