Weather · San Diego, United States
San Diego Weather in March
March in San Diego averages 27°C by day and 15°C at night, with about 33mm of rain. That makes it a reasonable time to visit.
Avg high
27°C
81°F
Avg low
15°C
59°F
Rainfall
33mm
#9 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Rain is unlikely to interrupt your plans.
Timing a trip around the weather? A Local Friend in San Diego builds it around the season for you.