
Twelve months of Rio de Janeiro, Brazil weather — averages from 2006–2025.
Rio de Janeiro's warmest month is February (average high 30.9°C (87.6°F)) and the coolest is July (24.8°C (76.6°F)). The most rain falls in January (about 211 mm), and June is the driest (about 46 mm). February is the sunniest, with about 10.5 hours of sunshine a day.
Ranked within Rio de Janeiro's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
High 30.4°C (86.7°F)
Low 23.6°C (74.5°F)
High 30.9°C (87.6°F)
Low 23.8°C (74.8°F)
High 29.5°C (85.1°F)
Low 23.3°C (73.9°F)
High 27.5°C (81.5°F)
Low 21.5°C (70.7°F)
High 25.5°C (77.9°F)
Low 19.2°C (66.6°F)
High 24.9°C (76.8°F)
Low 18.2°C (64.8°F)
High 24.8°C (76.6°F)
Low 17.6°C (63.7°F)
High 25.5°C (77.9°F)
Low 17.8°C (64°F)
High 26.8°C (80.2°F)
Low 19°C (66.2°F)
High 27.3°C (81.1°F)
Low 20.3°C (68.5°F)
High 27.4°C (81.3°F)
Low 21°C (69.8°F)
High 29.3°C (84.7°F)
Low 22.7°C (72.9°F)
Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.