Best Places to Visit in South America in August 2026

South America in August ranges from about 1°C (Patagonia) to 27°C (Cartagena). Median around 14°C. The exact temperature depends heavily on which destination — coastal vs inland, north vs south, altitude all matter.

Patagonia, Chile averages around 1°C in August — the coolest destination in South America on our list. Worth checking peak/shoulder season too: even with cool temps, August may not be peak for the destination.

Cartagena, Colombia runs around 27°C in August — 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 August 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.