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 3 rainy days, Riverside County experiences minimal rainfall in August.
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Temperatures
Rain 🌧️
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28
Dry days
3
Rainy days
0
Snow days
34°/22°
Temperatures
18 km/h
Avg max wind
37 %
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?
During August, expect a variety of temperatures with highs around 34° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Riverside County during August?
In August, Riverside County can expect light to moderate rainfall, totaling 45.8 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Riverside County during August?
The average wind speed in Riverside County during August is 18 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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