🇲🇽 Cancún vs San Francisco 🇺🇸
Cancún, Mexico vs San Francisco, United States — a side-by-side climate comparison to help you pick. Cancún is the warmer of the two — about 12 degrees warmer on average across the year. San Francisco is drier, with roughly 32 fewer rainy days a year.
Climate at a glance
| 🇲🇽 Cancún | 🇺🇸 San Francisco | |
|---|---|---|
| Avg annual high | 31°C | 19°C |
| Hottest month | July (34°C) | September (24°C) |
| Coldest month | January (20°C low) | January (8°C low) |
| Rainy days / year | 96 | 64 |
| Snow | Rare | Rare |
| Best months to visit | January, February, March | June, July, August |
🇲🇽 Cancún
Best around January, February, March. Hottest in July (34°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 Cancún or San Francisco warmer?
Cancún is warmer overall, averaging about 12 degrees higher across the year.
Which is rainier, Cancún or San Francisco?
Cancún is rainier — San Francisco sees about 32 fewer rainy days per year.
When is the best time to visit Cancún vs San Francisco?
Cancún is best around January, February, March; San Francisco is best around June, July, August.