🇺🇸 San Francisco vs Tucson 🇺🇸
San Francisco, United States vs Tucson, United States — a side-by-side climate comparison to help you pick. Tucson is the warmer of the two — about 10 degrees warmer on average across the year. Tucson is drier, with roughly 19 fewer rainy days a year.
Climate at a glance
| 🇺🇸 San Francisco | 🇺🇸 Tucson | |
|---|---|---|
| Avg annual high | 19°C | 29°C |
| Hottest month | September (24°C) | June (38°C) |
| Coldest month | January (8°C low) | January (5°C low) |
| Rainy days / year | 64 | 45 |
| Snow | Rare | Rare |
| Best months to visit | June, July, August | February, March, November |
🇺🇸 San Francisco
Best around June, July, August. Hottest in September (24°C), coldest lows in January (8°C).
🇺🇸 Tucson
Best around February, March, November. Hottest in June (38°C), coldest lows in January (5°C).
Frequently asked questions
Is San Francisco or Tucson warmer?
Tucson is warmer overall, averaging about 10 degrees higher across the year.
Which is rainier, San Francisco or Tucson?
San Francisco is rainier — Tucson sees about 19 fewer rainy days per year.
When is the best time to visit San Francisco vs Tucson?
San Francisco is best around June, July, August; Tucson is best around February, March, November.