Riverside (CA)
August
Weather in Riverside, California for August 2025
Your guide to Riverside weather in August - trends and predictions
The forecast for the first days of August 2025 in Riverside predicts temperatures to be around 38 °F, close to the historical average.
In general, the average temperature in Riverside at the beginning of August is 37.9 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 35 °F by the end of August.
With an average of 3 rainy days, Riverside 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 Weather August
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Temperatures trend during August in Riverside
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August weather in Riverside day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 37° /19° | 0 mm | 3 | |
| Aug. 2 | Sunny | 38° /19° | 0 mm | 3 | |
| Aug. 3 | Sunny | 38° /22° | 0 mm | 0 | |
| Aug. 4 |  Partly cloudy | 37° /24° | 0 mm | 7 | |
| Aug. 5 | Sunny | 37° /21° | 0 mm | 7 | |
| Aug. 6 | Sunny | 38° /23° | 0 mm | 8 | |
| Aug. 7 | Sunny | 40° /24° | 0 mm | 8 | |
| Aug. 8 | Sunny | 42° /26° | 0 mm | 8 | |
| Aug. 9 | Sunny | 40° /27° | 0 mm | 8 | |
| Aug. 10 | Sunny | 37° /24° | 0 mm | 7 | |
| Aug. 11 | Sunny | 35° /23° | 0.1 mm | 7 | |
| Aug. 12 | Sunny | 36° /24° | 0 mm | 7 | |
| 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 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 forecast closer to your planned date for the most up-to-date weather information.
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Riverside in August - FAQ
What are the expected maximum and minimum temperatures in Riverside 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 during August?
In August, Riverside 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 during August?
The average wind speed in Riverside during August is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Riverside
Explore the daily rainfall trends and prepare for Riversides August weather 💧
UV exposure in Riverside during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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