San Diego Weather & Climate

United States of America

San Diego sees feels-like daytime highs peak around 26.8°C in September and nighttime lows bottom out near 11.2°C in January. February is the wettest month (~54 mm), while June is the driest (~1 mm). For sunshine, August leads with about 88% clear skies.

Best time to visit San Diego

Based on mild feels-like temperatures and low rain chances, the most comfortable months are June, October, and May — expect around 18.723.5°C with roughly 1% chance of rain on a given day in June.

San Diego climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January11.2° / 19.5°16%49 mm63%12.5 kph
February12.2° / 19.7°17%54 mm60%12.5 kph
March14.1° / 20.1°15%43 mm65%12.5 kph
April15.6° / 21.3°8%17 mm72%12.6 kph
May17.6° / 22.6°3%5 mm75%11.9 kph
June18.7° / 23.5°1%1 mm85%10.7 kph
July20.5° / 25.4°2%2 mm87%9.9 kph
August21.7° / 26.7°2%2 mm88%9.5 kph
September21° / 26.8°3%4 mm88%9.5 kph
October18.4° / 24.5°5%11 mm80%10.1 kph
November14.3° / 21.6°10%22 mm70%11.3 kph
December11.3° / 18.9°15%40 mm64%12.6 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

Want to catch San Diego at its best?

Save your perfect conditions and get an email when a forecast matches.

Set up a free alert