This is the heart of the Brazilian summer. Rio is famous for "sizzling" days where temperatures frequently climb into the 30s°C (90s°F) . According to World Weather Information Service , Rio’s average high in February is 30.2°C (86°F) , though humidity can make it feel much hotter.
This region is hot, wet, and sticky. Average summer highs range from 30°C to 33°C (86°F to 91°F) , with humidity often exceeding 80%. Nighttime offers little relief, with lows rarely dropping below 22°C (72°F) . Daily afternoon downpours are a defining feature. average summer temperature in brazil