Rainy days · California
How often does it rain in San Diego?
A weather alert is in force here or thunderstorms are in the forecast, so no joke today. The National Weather Service has the details.
San Diego gets measurable rain or snow on about 40 days a year, adding up to about 10 inches.
November usually brings San Diego about 4 wet days and 0.8 inches. The wettest month is usually February, with about 7 wet days, and the driest is August, with less than 1 wet day. That makes San Diego number 126 of the 129 US cities we track, rainiest first.
Last updated
A weather alert is in force here or thunderstorms are in the forecast, so no joke today. The National Weather Service has the details.
Live 48-hour check from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Rainy days, month by month
| Month | Wet days | Inches |
|---|---|---|
| January | 7 | 2.0 |
| February | 7 | 2.2 |
| March | 6 | 1.5 |
| April | 4 | 0.7 |
| May | 2 | 0.3 |
| June | 1 | 0.1 |
| July | 1 | 0.1 |
| August | 0 | trace |
| September | 1 | 0.1 |
| October | 2 | 0.5 |
| November | 4 | 0.8 |
| December | 6 | 1.7 |
Cities with about as many rainy days
- Los Angeles, California: about 35 wet days a year
- Fresno, California: about 47 wet days a year
- Phoenix, Arizona: about 33 wet days a year
Source: NOAA daily precipitation records for the San Diego area, 1991 to 2020 (at least 30 complete years behind every month), via the Applied Climate Information System. A wet day here means at least a hundredth of an inch of rain or melted snow.