The temperatures in San Clemente in August are quite cold with temperatures between 8°C and 19°C, warm clothes are a must.
There is little to no rain in San Clemente during August, so it’s a lot easier to explore the city. Just remember to dress in warm layers, as it can still get pretty chilly.
Our weather forecast can give you a great sense of what weather to expect in San Clemente in August 2025.
If you’re planning to visit San Clemente in the near future, we highly recommend that you review the 14 day weather forecast for San Clemente before you arrive.
Temperatures
19° / 8°
Rainy Days
0
Snowy Days
0
Dry Days
30
Rainfall
7
mm
Sun Hours
11.7
Hrs
