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Rio de Janeiro Weather by Month
Average temperatures, rainfall and humidity for Rio de Janeiro, Brazil, month by month, built from OpenWeather's historical records. Use it to see what a typical Rio de Janeiro month looks like before you travel — then check the live Rio de Janeiro forecast for the days ahead.
Warmest month
February
31°C average high
Coolest month
July
18°C average low
Wettest month
November
61 mm of rain
Driest month
July
21 mm of rain
Average temperature and rainfall in Rio de Janeiro by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 31°C | 24°C | 19°C / 38°C | 60 mm | 78% | 12 km/h |
| February | 31°C | 24°C | 18°C / 38°C | 58 mm | 79% | 12 km/h |
| March | 30°C | 23°C | 17°C / 37°C | 56 mm | 80% | 12 km/h |
| April | 28°C | 22°C | 12°C / 36°C | 51 mm | 79% | 11 km/h |
| May | 27°C | 20°C | 12°C / 37°C | 29 mm | 80% | 10 km/h |
| June | 26°C | 19°C | 10°C / 34°C | 24 mm | 81% | 10 km/h |
| July | 26°C | 18°C | 12°C / 36°C | 21 mm | 78% | 11 km/h |
| August | 26°C | 18°C | 11°C / 38°C | 29 mm | 78% | 11 km/h |
| September | 28°C | 20°C | 12°C / 39°C | 29 mm | 78% | 12 km/h |
| October | 28°C | 21°C | 14°C / 37°C | 53 mm | 79% | 13 km/h |
| November | 28°C | 21°C | 13°C / 40°C | 61 mm | 79% | 13 km/h |
| December | 30°C | 23°C | 17°C / 38°C | 57 mm | 79% | 13 km/h |
Best time to visit Rio de Janeiro
The most comfortable time to visit Rio de Janeiro is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around November, totalling about 528 mm a year.
Travellers who prefer heat should aim for February, when highs average 31°C. November is the month to avoid if rain would spoil your plans — it averages 61 mm, roughly 3× the rainfall of July.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Rio de Janeiro forecast for what is happening now.