Weather in San Diego, California, United States in March
In an average March, San Diego sees a daily high around 68°F and a low around 49°F, based on 1981–2026 of local climate records.
| Average high | 68°F |
|---|---|
| Typical high range | 57°F to 78°F |
| Average low | 49°F |
| Typical low range | 44°F to 55°F |
| Average daily precipitation | 0.10 in |
March records
The most extreme March on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total March accumulation.
High
Highest
90°F
2026-03-17
Lowest
48°F
1991-03-15
Low
Highest
67°F
2026-03-18
Lowest
37°F
1989-03-04
Feels-like
Highest
93°F
2026-03-20
Lowest
27°F
1989-03-04
Humidity
Highest
12.0 g/m³
2026-03-31
Lowest
2.4 g/m³
2002-03-03
Wind
Highest
34 mph
1991-03-01
Lowest
4 mph
1997-03-13
Precip
Wettest
7.02 in
1983
Driest
0.01 in
1997
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