San Diego weather by month › August
San Diego in August: weather and what to expect
It’s fine, but not the best. March to April and October are more pleasant.
August weather in San Diego
Daytime high80°F 27°C
Night low65°F 19°C
Rain0.0 in 1 mm
AirA little humid
SunStrong sun
In August, San Diego averages highs of 80°F (27°C) and lows of 65°F (19°C), with 0.0 in (1 mm) of rain. The air feels a little humid and the sun is strong. 1991–2020 averages, not a forecast.
Pack: light layers.
Places with the same weather in August
Match out of 100 for August, one city per country.
Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec