Rio de Janeiro, Brazil climate
Average temperatures, precipitation and all-time records for Rio de Janeiro, Brazil, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is February, averaging a high of 30°C, and its coldest is July, with an average low of 18°C.
Rio de Janeiro, also known simply as Rio, is the capital of the state of Rio de Janeiro. It is the second-most-populous city in Brazil after São Paulo with a population of 13 million people following 2025, and the sixth-most-populous city in the Americas. via Wikipedia
Notable weather in Rio de Janeiro
In January 2010, torrential rains triggered deadly floods and mudslides across the Rio de Janeiro area, among the region's worst weather disasters. Read more →
Rio de Janeiro average temperatures by month
Typical daily high and low, and average precipitation, for each month in Rio de Janeiro, Brazil, based on 1980–2026 records. The wettest month is January (5 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 30°C | 24°C | 5 mm |
| February | 30°C | 24°C | 5 mm |
| March | 29°C | 24°C | 5 mm |
| April | 28°C | 22°C | 3 mm |
| May | 26°C | 20°C | 3 mm |
| June | 25°C | 19°C | 3 mm |
| July | 24°C | 18°C | 3 mm |
| August | 25°C | 19°C | 3 mm |
| September | 26°C | 19°C | 3 mm |
| October | 26°C | 21°C | 3 mm |
| November | 27°C | 22°C | 5 mm |
| December | 28°C | 23°C | 5 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
Thinking of visiting Rio de Janeiro?
Trips live and die by the weather. See how Rio de Janeiro's comfort stacks up against where you live. Rio de Janeiro is pre-loaded, just add your city.
Record extremes
- Hottest day on record: 37°C on 2023-11-18
- Coldest day on record: 12°C on 2000-07-18
Percentiles compare each day to Rio de Janeiro, Brazil's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →