Best time to visit · California
Best time to visit San Diego
San Diego averages 118 just-right days a year; April, June and November are best. Most other days miss by being too cool or too hot.

(70 to 80°F, dry, sunny)
(45 to 65°F, dry)
(80 to 92°F, bright)
San Diego weather by month
Bars: share of each month's days that are just right (number = days). Below: average daily high. Outlined bars are the best months.
- Just right 118
- Too cool 94
- Too hot 94
- Too muggy 16
- Too gray 43
When to visit San Diego
The best time to visit San Diego for comfortable weather is April, June and November, when 50%, 50% and 56% of days are just right. August is mostly too hot, with average highs of 83°F.
Climate table
| Month | Avg high | Dew point | Cloud cover | Just-right days |
|---|---|---|---|---|
| January | 69°F | 42°F | 44% | 8 |
| February | 68°F | 42°F | 51% | 5 |
| March | 70°F | 45°F | 46% | 10 |
| April | 73°F | 47°F | 40% | 15 |
| May | 73°F | 52°F | 44% | 15 |
| June | 77°F | 54°F | 34% | 15 |
| July | 82°F | 59°F | 25% | 6 |
| August | 83°F | 60°F | 22% | 3 |
| September | 82°F | 58°F | 28% | 5 |
| October | 80°F | 52°F | 34% | 12 |
| November | 74°F | 45°F | 37% | 17 |
| December | 69°F | 40°F | 42% | 9 |
How San Diego compares
With 118 just-right days, San Diego beats the median of America's 150 largest cities (33 days). It ranks #2 of 16 California places on Goldilocks Map. On muggy days: 16. On gray days: 43.
See every California city ranked →
Places with a similar climate
Nearby
San Diego averages 118 just-right days a year (70 to 80°F highs, dry, mostly sunny), according to Goldilocks Map: https://goldilocksmap.com/us/california/san-diego/Set your own perfect weather on the map →
Numbers are expected days in a typical year from 1991 to 2020 climate normals (TerraClimate; cloud cover from CHELSA), on a grid about 35 km wide. Checked against 10 years of daily records at 28 NOAA weather stations: typical error about 10 days a year. How it works. Updated 2026-10-07.