🇺🇸 Charleston vs San Francisco 🇺🇸
Charleston, United States vs San Francisco, United States — a side-by-side climate comparison to help you pick. Charleston is the warmer of the two — about 4 degrees warmer on average across the year. San Francisco is drier, with roughly 135 fewer rainy days a year.
Climate at a glance
| 🇺🇸 Charleston | 🇺🇸 San Francisco | |
|---|---|---|
| Avg annual high | 23°C | 19°C |
| Hottest month | July (31°C) | September (24°C) |
| Coldest month | January (6°C low) | January (8°C low) |
| Rainy days / year | 199 | 64 |
| Snow | Rare | Rare |
| Best months to visit | April, October, November | June, July, August |
🇺🇸 Charleston
Best around April, October, November. Hottest in July (31°C), coldest lows in January (6°C).
🇺🇸 San Francisco
Best around June, July, August. Hottest in September (24°C), coldest lows in January (8°C).
Frequently asked questions
Is Charleston or San Francisco warmer?
Charleston is warmer overall, averaging about 4 degrees higher across the year.
Which is rainier, Charleston or San Francisco?
Charleston is rainier — San Francisco sees about 135 fewer rainy days per year.
When is the best time to visit Charleston vs San Francisco?
Charleston is best around April, October, November; San Francisco is best around June, July, August.