Best Time to Visit San Diego
Best time: Jul, Jun, Aug, May.
Aug is warmest (26.7°C high); Mar is rainiest (60 mm).
San Diego weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 19.8 | 8.7 | 58 | 4.9 |
| Feb | 20.1 | 9.3 | 54 | 5.9 |
| Mar | 20 | 10.4 | 60 | 7.8 |
| Apr | 21.7 | 11.7 | 22 | 9.8 |
| May | 22.1 | 13.9 | 6 | 10.3 |
| Jun | 23.8 | 15.7 | 2 | 11 |
| Jul | 25.8 | 17.6 | 1 | 11 |
| Aug | 26.7 | 18.4 | 2 | 10.5 |
| Sep | 26.6 | 17.5 | 6 | 8.8 |
| Oct | 25 | 14.7 | 11 | 6.9 |
| Nov | 22.5 | 10.7 | 32 | 5.5 |
| Dec | 20.2 | 8.3 | 37 | 4.6 |
Average high temperature
Best months by activity
Overall: JulJunAugMay
Beaches: JulAugSepJun
Hiking: JunMayJulApr
Sightseeing: JulJunAugMay
San Diego quick facts
What to pack
Mild year-round — pack layers and a light jacket.
Frequently asked questions
When is the best time to visit San Diego?
Jul, Jun, Aug, May.
What is the rainiest month?
Mar, about 60 mm.
What is the warmest month?
Aug, with average highs of 26.7°C.
Where to stay
See San Diego hotels · Book San Diego tours & activities
All destinations · Best time to visit New York · Best time to visit Los Angeles · Best time to visit Miami · Best time to visit San Francisco
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.