🇦🇷 El Chaltén vs Rio de Janeiro 🇧🇷
El Chaltén, Argentina vs Rio de Janeiro, Brazil — a side-by-side climate comparison to help you pick. Rio de Janeiro is the warmer of the two — about 18 degrees warmer on average across the year. Rio de Janeiro is drier, with roughly 73 fewer rainy days a year.
Climate at a glance
| 🇦🇷 El Chaltén | 🇧🇷 Rio de Janeiro | |
|---|---|---|
| Avg annual high | 9°C | 27°C |
| Hottest month | February (15°C) | January (30°C) |
| Coldest month | July (-3°C low) | July (18°C low) |
| Rainy days / year | 203 | 130 |
| Snow | Rare | Rare |
| Best months to visit | January, February, December | June, July, August |
🇦🇷 El Chaltén
Best around January, February, December. Hottest in February (15°C), coldest lows in July (-3°C).
🇧🇷 Rio de Janeiro
Best around June, July, August. Hottest in January (30°C), coldest lows in July (18°C).
Frequently asked questions
Is El Chaltén or Rio de Janeiro warmer?
Rio de Janeiro is warmer overall, averaging about 18 degrees higher across the year.
Which is rainier, El Chaltén or Rio de Janeiro?
El Chaltén is rainier — Rio de Janeiro sees about 73 fewer rainy days per year.
When is the best time to visit El Chaltén vs Rio de Janeiro?
El Chaltén is best around January, February, December; Rio de Janeiro is best around June, July, August.