🇺🇸 San Diego vs San Francisco 🇺🇸
San Diego, United States vs San Francisco, United States — a side-by-side climate comparison to help you pick. San Diego is the warmer of the two — about 2 degrees warmer on average across the year. San Francisco is drier, with roughly 13 fewer rainy days a year.
Climate at a glance
| 🇺🇸 San Diego | 🇺🇸 San Francisco | |
|---|---|---|
| Avg annual high | 21°C | 19°C |
| Hottest month | September (26°C) | September (24°C) |
| Coldest month | January (9°C low) | January (8°C low) |
| Rainy days / year | 77 | 64 |
| Snow | Rare | Rare |
| Best months to visit | June, July, November | June, July, August |
🇺🇸 San Diego
Best around June, July, November. Hottest in September (26°C), coldest lows in January (9°C).
🇺🇸 San Francisco
Best around June, July, August. Hottest in September (24°C), coldest lows in January (8°C).
Frequently asked questions
Is San Diego or San Francisco warmer?
San Diego is warmer overall, averaging about 2 degrees higher across the year.
Which is rainier, San Diego or San Francisco?
San Diego is rainier — San Francisco sees about 13 fewer rainy days per year.
When is the best time to visit San Diego vs San Francisco?
San Diego is best around June, July, November; San Francisco is best around June, July, August.