The weather in Fresno in August is hot. The average temperatures are between 19°C and 38°C. Usually the days in August are hot while the nights are a bit cooler.
There shouldn't be any rainy days in in Fresno during August. Having said that, the days are very hot in August so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in Fresno in August 2025.
If you’re planning to visit Fresno in the near future, we highly recommend that you review the 14 day weather forecast for Fresno before you arrive.
Temperatures
38° / 19°
Rainy Days
0
Snowy Days
0
Dry Days
31
Rainfall
4
mm
Sun Hours
12.0
Hrs
