🇦🇷 Buenos Aires vs São Luís 🇧🇷
Buenos Aires, Argentina vs São Luís, Brazil — a side-by-side climate comparison to help you pick. São Luís is the warmer of the two — about 7 degrees warmer on average across the year. Buenos Aires is drier, with roughly 246 fewer rainy days a year.
Climate at a glance
| 🇦🇷 Buenos Aires | 🇧🇷 São Luís | |
|---|---|---|
| Avg annual high | 23°C | 30°C |
| Hottest month | January (30°C) | October (32°C) |
| Coldest month | July (7°C low) | March (24°C low) |
| Rainy days / year | 85 | 331 |
| Snow | Rare | Rare |
| Best months to visit | April, May, October | February, October, November |
🇦🇷 Buenos Aires
Best around April, May, October. Hottest in January (30°C), coldest lows in July (7°C).
🇧🇷 São Luís
Best around February, October, November. Hottest in October (32°C), coldest lows in March (24°C).
Frequently asked questions
Is Buenos Aires or São Luís warmer?
São Luís is warmer overall, averaging about 7 degrees higher across the year.
Which is rainier, Buenos Aires or São Luís?
São Luís is rainier — Buenos Aires sees about 246 fewer rainy days per year.
When is the best time to visit Buenos Aires vs São Luís?
Buenos Aires is best around April, May, October; São Luís is best around February, October, November.