🇺🇸 Key West vs San Francisco 🇺🇸
Key West, United States vs San Francisco, United States — a side-by-side climate comparison to help you pick. Key West is the warmer of the two — about 7 degrees warmer on average across the year. San Francisco is drier, with roughly 168 fewer rainy days a year.
Climate at a glance
| 🇺🇸 Key West | 🇺🇸 San Francisco | |
|---|---|---|
| Avg annual high | 26°C | 19°C |
| Hottest month | August (30°C) | September (24°C) |
| Coldest month | January (20°C low) | January (8°C low) |
| Rainy days / year | 232 | 64 |
| Snow | Rare | Rare |
| Best months to visit | January, February, December | June, July, August |
🇺🇸 Key West
Best around January, February, December. Hottest in August (30°C), coldest lows in January (20°C).
🇺🇸 San Francisco
Best around June, July, August. Hottest in September (24°C), coldest lows in January (8°C).
Frequently asked questions
Is Key West or San Francisco warmer?
Key West is warmer overall, averaging about 7 degrees higher across the year.
Which is rainier, Key West or San Francisco?
Key West is rainier — San Francisco sees about 168 fewer rainy days per year.
When is the best time to visit Key West vs San Francisco?
Key West is best around January, February, December; San Francisco is best around June, July, August.