🇦🇷 Buenos Aires vs Santarém 🇧🇷

Buenos Aires, Argentina vs Santarém, Brazil — a side-by-side climate comparison to help you pick. Santarém is the warmer of the two — about 7 degrees warmer on average across the year. Buenos Aires is drier, with roughly 226 fewer rainy days a year.

Climate at a glance

🇦🇷 Buenos Aires🇧🇷 Santarém
Avg annual high23°C30°C
Hottest monthJanuary (30°C)October (32°C)
Coldest monthJuly (7°C low)February (24°C low)
Rainy days / year85311
SnowRareRare
Best months to visitApril, May, OctoberAugust, September, October

🇦🇷 Buenos Aires

Best around April, May, October. Hottest in January (30°C), coldest lows in July (7°C).

🇧🇷 Santarém

Best around August, September, October. Hottest in October (32°C), coldest lows in February (24°C).

Frequently asked questions

Is Buenos Aires or Santarém warmer?

Santarém is warmer overall, averaging about 7 degrees higher across the year.

Which is rainier, Buenos Aires or Santarém?

Santarém is rainier — Buenos Aires sees about 226 fewer rainy days per year.

When is the best time to visit Buenos Aires vs Santarém?

Buenos Aires is best around April, May, October; Santarém is best around August, September, October.

Not sure? Find your ideal destination by climate →