🇦🇷 Buenos Aires vs Santiago 🇨🇱

Buenos Aires, Argentina vs Santiago, Chile — a side-by-side climate comparison to help you pick. Both cities run similar average temperatures year-round. Santiago is drier, with roughly 42 fewer rainy days a year.

Climate at a glance

🇦🇷 Buenos Aires🇨🇱 Santiago
Avg annual high23°C23°C
Hottest monthJanuary (30°C)January (30°C)
Coldest monthJuly (7°C low)July (4°C low)
Rainy days / year8543
SnowRareRare
Best months to visitApril, May, OctoberApril, September, October

🇦🇷 Buenos Aires

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

🇨🇱 Santiago

Best around April, September, October. Hottest in January (30°C), coldest lows in July (4°C).

Frequently asked questions

Is Buenos Aires or Santiago warmer?

Buenos Aires and Santiago have very similar average temperatures.

Which is rainier, Buenos Aires or Santiago?

Buenos Aires is rainier — Santiago sees about 42 fewer rainy days per year.

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

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

Not sure? Find your ideal destination by climate →