Buenos Aires vs Rio de Janeiro

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Buenos Aires edges ahead as the better destination in February. Buenos Aires offers 11 hours of daily sunshine with only 8 rain days, while Rio de Janeiro sees 10 sunshine hours and 17 rain days.

Buenos Aires sits in the comfortable travel range at 27°C. Rio de Janeiro runs hot at 31°C.

For travelers who prioritize dry weather, Buenos Aires is the stronger choice in February. Buenos Aires receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Buenos Aires reaches an average high of 27°C (81°F) and drops to 20°C (68°F) at night during February. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Rio de Janeiro averages 31°C (88°F) for the high and 24°C (75°F) for the low, with a daily range of 7°C. The 4°C difference is noticeable but not dramatic.

Both cities are in the Southern Hemisphere, so they share the same seasonal pattern in February.

Buenos Aires receives approximately 98 mm of rainfall across 8 rain days during February. You can expect rain roughly every other day.

Rio de Janeiro sees 187 mm over 17 rain days. That makes Buenos Aires the drier option by 9 rain days and 89 mm of total precipitation.

Humidity also differs: Buenos Aires averages 70% while Rio de Janeiro sits at 78%. Rio de Janeiro will feel muggier, especially at higher temperatures.