The weather in Riverside in August is hot. The average temperatures are between 17°C and 33°C. Usually the days in August are hot while the nights are a bit cooler.
You can expect a few rainy days in Riverside during August, but usually the weather is comfortable in August.
Our weather forecast can give you a great sense of what weather to expect in Riverside in August 2025.
If you’re planning to visit Riverside in the near future, we highly recommend that you review the 14 day weather forecast for Riverside before you arrive.
Temperatures
33° / 17°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
19
mm
Sun Hours
11.9
Hrs
