Spring
70°F / 53°F
March, April, May: about 2.7 in of rain.
Plan a visit
Best time to visit San Diego
June, July, August bring mild highs and the least rain.
San Diego by season
Month-by-month planner
| Month | Weather | High / low | Rain | Local guides |
|---|---|---|---|---|
| January | Great | 67°F / 46°F | 2.3 in | |
| February | Great | 67°F / 47°F | 2.6 in | Valentine’s Day |
| March | Great | 69°F / 50°F | 1.6 in | St. Patrick’s Day |
| April | Great | 71°F / 52°F | 0.80 in | |
| May | Great | 72°F / 57°F | 0.30 in | |
| June | Great | 75°F / 60°F | 0.10 in | Fourth of July |
| July | Great | 80°F / 64°F | 0.10 in | Fourth of July |
| August | Great | 82°F / 65°F | 0.00 in | |
| September | Great | 81°F / 64°F | 0.20 in | Halloween |
| October | Great | 78°F / 58°F | 0.50 in | Halloween |
| November | Great | 73°F / 50°F | 0.90 in | Halloween, Thanksgiving, Christmas |
| December | Great | 67°F / 45°F | 1.6 in | Christmas, New Year’s Eve |
“Great” means highs between 65°F and 85°F with fewer than 10 wet days. Averages are NOAA’s 1991–2020 normals for the San Diego Montgomery Fld station, not a forecast.
Questions
What is the best month to visit San Diego?
June, July, August: highs between 65°F and 85°F with the least rain.
What is the hottest month in San Diego?
August, averaging 82°F highs.
What is the coldest month in San Diego?
December, with average lows of 45°F.
What is the rainiest month in San Diego?
February, averaging 2.6 in of precipitation.
When are the big holidays in San Diego?
See the local guides: Halloween (October), Thanksgiving (November), Christmas lights (late November to December), New Year’s Eve.