🇺🇸 San Francisco vs Seattle 🇺🇸
San Francisco, United States vs Seattle, United States — a side-by-side climate comparison to help you pick. San Francisco is the warmer of the two — about 4 degrees warmer on average across the year. San Francisco is drier, with roughly 139 fewer rainy days a year.
Climate at a glance
| 🇺🇸 San Francisco | 🇺🇸 Seattle | |
|---|---|---|
| Avg annual high | 19°C | 15°C |
| Hottest month | September (24°C) | August (25°C) |
| Coldest month | January (8°C low) | February (2°C low) |
| Rainy days / year | 64 | 203 |
| Snow | Rare | Rare |
| Best months to visit | June, July, August | June, July, August |
🇺🇸 San Francisco
Best around June, July, August. Hottest in September (24°C), coldest lows in January (8°C).
🇺🇸 Seattle
Best around June, July, August. Hottest in August (25°C), coldest lows in February (2°C).
Frequently asked questions
Is San Francisco or Seattle warmer?
San Francisco is warmer overall, averaging about 4 degrees higher across the year.
Which is rainier, San Francisco or Seattle?
Seattle is rainier — San Francisco sees about 139 fewer rainy days per year.
When is the best time to visit San Francisco vs Seattle?
San Francisco is best around June, July, August; Seattle is best around June, July, August.