The temperatures in San Diego in March are usually low and can range between 12°C and 19°C.
The wather in San Diego in March can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in San Diego in March 2025.
If you’re planning to visit San Diego in the near future, we highly recommend that you review the 14 day weather forecast for San Diego before you arrive.
Temperatures
19° / 12°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
44
mm
Sun Hours
10.9
Hrs