Riverside County (Riverside)
August
Weather in Riverside County for August 2025
Your guide to Riverside County weather in August - trends and predictions
In general, the average temperature in Riverside County at the beginning of August is 36.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 35 °F by the end of August.
With an average of 5 rainy days, Riverside County experiences minimal rainfall in August.
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26
Dry days
5
Rainy days
0
Snow days
34°/20°
Temperatures
17 km/h
Avg max wind
42 %
Avg humidity
Riverside County in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  33° | 2  36° | 3  37° | ||||
| 4 36° | 5 38° | 6 39° | 7 34° | 8 33° | 9  32° | 10  32° |
| 11  32° | 12 33° | 13 33° | 14 35° | 15 37° | 16 37° | 17 37° |
| 18 35° | 19 33° | 20  31° | 21 31° | 22 31° | 23 30° | 24 29° |
| 25 32° | 26 35° | 27 35° | 28 36° | 29 36° | 30 36° | 31 35° |
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Temperatures trend during August in Riverside County
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Overcast | 33° /22° | 0 mm | 7 | |
| Aug. 2 | Partly cloudy | 36° /22° | 0 mm | 9 | |
| Aug. 3 | Sunny | 37° /22° | 0 mm | 9 | |
| Aug. 4 | Sunny | 36° /22° | 0 mm | 9 | |
| Aug. 5 | Sunny | 38° /23° | 0 mm | 9 | |
| Aug. 6 | Sunny | 39° /23° | 0 mm | 9 | |
| Aug. 7 | Sunny | 34° /23° | 0 mm | 9 | |
| Aug. 8 | Sunny | 33° /20° | 0 mm | 8 | |
| Aug. 9 | Heavy rain at times | 32° /21° | 2.4 mm | 8 | |
| Aug. 10 | Patchy rain possible | 32° /21° | 0.2 mm | 8 | |
| Aug. 11 | Cloudy | 32° /21° | 0 mm | 8 | |
| Aug. 12 | Sunny | 33° /20° | 0 mm | 8 | |
| Aug. 13 | Sunny | 33° /21° | 0 mm | 8 | |
| Aug. 14 | Sunny | 35° /21° | 0 mm | 9 | |
| Aug. 15 | Sunny | 37° /22° | 0 mm | 9 | |
| Aug. 16 | Patchy rain possible | 37° /24° | 0.1 mm | 8 | |
| Aug. 17 | Sunny | 37° /23° | 0 mm | 9 | |
| Aug. 18 | Sunny | 35° /21° | 0 mm | 9 | |
| Aug. 19 | Patchy rain possible | 33° /22° | 0.2 mm | 8 | |
| Aug. 20 | Moderate or heavy rain shower | 31° /22° | 32.9 mm | 8 | |
| Aug. 21 | Moderate rain at times | 31° /20° | 10.2 mm | 7 | |
| Aug. 22 | Overcast | 31° /19° | 0 mm | 8 | |
| Aug. 23 | Partly cloudy | 30° /18° | 0 mm | 8 | |
| Aug. 24 | Partly cloudy | 29° /19° | 0 mm | 8 | |
| Aug. 25 | Partly cloudy | 32° /18° | 0 mm | 8 | |
| Aug. 26 | Sunny | 35° /20° | 0 mm | 9 | |
| Aug. 27 | Sunny | 35° /21° | 0 mm | 9 | |
| Aug. 28 | Sunny | 36° /22° | 0 mm | 9 | |
| Aug. 29 | Sunny | 36° /22° | 0 mm | 9 | |
| Aug. 30 | Sunny | 36° /22° | 0 mm | 9 | |
| Aug. 31 | Sunny | 35° /22° | 0 mm | 9 | |
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Important Notice
Our weather forecast for Riverside County 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 Riverside County forecast closer to your planned date for the most up-to-date weather information.
Riverside County in August - FAQ
What are the expected maximum and minimum temperatures in Riverside County during August?
Expect warm days with temperatures around 34°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Riverside County during August?
Moderate rainfall is anticipated in Riverside County during August, with a total of 91.6 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Riverside County during August?
The average wind speed in Riverside County during August is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Riverside County
Explore the daily rainfall trends and prepare for Riverside Countys August weather 💧
UV exposure in Riverside County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Riverside County?Get accurate weather forecasts for Riverside County, located at latitude 33.953 and longitude -117.396. Stay updated with localized weather information tailored for Riverside County.
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