🇦🇷 Buenos Aires vs Porto Alegre 🇧🇷
Buenos Aires, Argentina vs Porto Alegre, Brazil — a side-by-side climate comparison to help you pick. Porto Alegre is the warmer of the two — about 2 degrees warmer on average across the year. Buenos Aires is drier, with roughly 113 fewer rainy days a year.
Climate at a glance
| 🇦🇷 Buenos Aires | 🇧🇷 Porto Alegre | |
|---|---|---|
| Avg annual high | 23°C | 25°C |
| Hottest month | January (30°C) | January (31°C) |
| Coldest month | July (7°C low) | July (11°C low) |
| Rainy days / year | 85 | 198 |
| Snow | Rare | Rare |
| Best months to visit | April, May, October | May, August, September |
🇦🇷 Buenos Aires
Best around April, May, October. Hottest in January (30°C), coldest lows in July (7°C).
🇧🇷 Porto Alegre
Best around May, August, September. Hottest in January (31°C), coldest lows in July (11°C).
Frequently asked questions
Is Buenos Aires or Porto Alegre warmer?
Porto Alegre is warmer overall, averaging about 2 degrees higher across the year.
Which is rainier, Buenos Aires or Porto Alegre?
Porto Alegre is rainier — Buenos Aires sees about 113 fewer rainy days per year.
When is the best time to visit Buenos Aires vs Porto Alegre?
Buenos Aires is best around April, May, October; Porto Alegre is best around May, August, September.