🇦🇷 Buenos Aires vs Foz do Iguaçu 🇧🇷
Buenos Aires, Argentina vs Foz do Iguaçu, Brazil — a side-by-side climate comparison to help you pick. Foz do Iguaçu is the warmer of the two — about 4 degrees warmer on average across the year. Buenos Aires is drier, with roughly 48 fewer rainy days a year.
Climate at a glance
| 🇦🇷 Buenos Aires | 🇧🇷 Foz do Iguaçu | |
|---|---|---|
| Avg annual high | 23°C | 27°C |
| Hottest month | January (30°C) | January (31°C) |
| Coldest month | July (7°C low) | July (14°C low) |
| Rainy days / year | 85 | 133 |
| Snow | Rare | Rare |
| Best months to visit | April, May, October | June, July, August |
🇦🇷 Buenos Aires
Best around April, May, October. Hottest in January (30°C), coldest lows in July (7°C).
🇧🇷 Foz do Iguaçu
Best around June, July, August. Hottest in January (31°C), coldest lows in July (14°C).
Frequently asked questions
Is Buenos Aires or Foz do Iguaçu warmer?
Foz do Iguaçu is warmer overall, averaging about 4 degrees higher across the year.
Which is rainier, Buenos Aires or Foz do Iguaçu?
Foz do Iguaçu is rainier — Buenos Aires sees about 48 fewer rainy days per year.
When is the best time to visit Buenos Aires vs Foz do Iguaçu?
Buenos Aires is best around April, May, October; Foz do Iguaçu is best around June, July, August.