🇦🇷 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.
Warmer · Porto AlegreDrier · Buenos Aires
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).
Keep planning
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.
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