Best Places to Visit in South America in October 2026

South America in October ranges from about 7°C (Ushuaia) to 29°C (Manaus). Median around 19°C. The exact temperature depends heavily on which destination — coastal vs inland, north vs south, altitude all matter.

Ushuaia, Argentina averages around 7°C in October — the coolest destination in South America on our list. Worth checking peak/shoulder season too: even with cool temps, October may not be peak for the destination.

Manaus, Brazil runs around 29°C in October — the warmest destination in South America on our list. If you're chasing summer in winter or beach weather year-round, this is the move.

Across South America we have 40 destinations with weather data. Whether October is "good" depends on what you're after: cool weather, warm weather, peak season pricing or shoulder. The list below sorts by temperature so you can match destinations to your weather preference.