Typical Weather in San Diego, CA in August

77° F Avg High

67° F Avg Low

0 Rainy Days

☀️ Temperature Summary

August is one of the warmer months of the year for San Diego, with highs averaging around 77°F. Overnight lows will be around 67°F on average. This is the hottest month of the year in San Diego.

The warm, dry temperatures in August make San Diego a great destination to relax and soak up the sun.

High Temps Throughout the Year

☔ Rain Summary

You can expect about a 0% chance of rain for any given day in August. It's one of the drier months of the year for San Diego, with total rainfall for the month around 0 inches.