Weather in San Diego: March
| Average day temperature: | 92.6°F | |
| Average night temperature: | 76.7°F | |
| Sea water temperature: | 81.2°F | |
| Number of sunny days: | 29 days | |
| Day length: | 11.9 - 12.2 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.1 in. | |
| more information | ||
forecast
| San Diego |
temperature
| San Diego |
Air temperature in March, °F
The highest day temperature during March of 2025 was 96°F. At the same time the lowest night temperature was 71°F. Daily and nightly averages during March were 93.7°F and 75.2°F.
Sea water temperature in San Diego in March, °F
The average sea water temperature in March of 2025 was 82.2°F. The highest and lowest sea temperatures during the month were 84.2°F and 80.6°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 11.9 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

11 mph

12 mph

9 mph

11 mph

9 mph

9 mph

8 mph

11 mph



























