San Diego weather by month › March
San Diego in March: weather and what to expect
Yes. March is one of the best months to visit San Diego.
March weather in San Diego
Daytime high69°F 21°C
Night low51°F 11°C
Rain1.6 in 41 mm
AirComfortable
SunSunny
In March, San Diego averages highs of 69°F (21°C) and lows of 51°F (11°C), with 1.6 in (41 mm) of rain. The air feels comfortable and the sun is sunny. 1991–2020 averages, not a forecast.
Pack: light layers, a sweater for evenings.
Places with the same weather in March
Match out of 100 for March, one city per country.
Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec