🇦🇷 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.
Warmer · São LuísDrier · Buenos Aires
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).
Keep planning
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.
More comparisons
More Buenos Aires comparisons
Buenos Aires vs Rio de JaneiroBuenos Aires vs São PauloBuenos Aires vs BrasíliaBuenos Aires vs LimaBuenos Aires vs BogotáBuenos Aires vs Santiago