Weather in San Diego: March
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Average day temperature: | 92.5°F |
| Average night temperature: | 76.7°F | |
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Sea water temperature: | 81.0°F |
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Number of sunny days: | 29 days |
| Day length: | 11.9 - 12.2 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.1 in. | |
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forecast
| San Diego |
temperature
| San Diego |
Air temperature in March, °F
The highest day temperature during March of 2026 was 94°F. At the same time the lowest night temperature was 74°F. Daily and nightly averages during March were 91.9°F and 76.7°F.
Sea water temperature in San Diego in March, °F
The average sea water temperature in March of 2026 was 80.2°F. The highest and lowest sea temperatures during the month were 82.8°F and 75.6°F.
Almost all days of March in San Diego are sunny. Cloudy days are rare.
Precipitation total in March, in.
Precipitation total value in San Diego in March is 0.1 in. Other months of the year show relatively similar values.
The average wind speed value in March is 12.0 mph It makes March one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 10.4.
Best time for vacation in San Diego
San Diego on a weather map
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