🇦🇷 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.

Warmer · Foz do IguaçuDrier · Buenos Aires

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 monthJuly (7°C low)July (14°C low)
Rainy days / year
85
133
SnowRareRare
Best months to visitApril, May, OctoberJune, 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).

Keep planning

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.

More comparisons

More Buenos Aires comparisons

More Foz do Iguaçu comparisons

Not sure? Find your ideal destination by climate →