Weather in Rio de Janeiro
Live weather and 7-day forecast for Rio de Janeiro, Brazil, followed by what to expect in each month of the year.
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Forecast data from Open-Meteo
Climate in Rio de Janeiro: month by month
Averaged over 2023–2025, the warmest month in Rio de Janeiro is February, with highs around 31 °C (88 °F) and lows around 25 °C (76 °F); the coolest is July, with highs around 24 °C (76 °F) and lows around 18 °C (65 °F).
Rio de Janeiro gets about 900 mm (35 in) of precipitation a year. The wettest month is January (149 mm over about 18 days) and the driest is June (22 mm).
| Month | Avg high | Avg low | Precipitation (mm) | Wet days | Daylight |
|---|---|---|---|---|---|
| January | 30° | 24° | 149 | 18 | 13h 23m |
| February | 31° | 25° | 66 | 11 | 12h 51m |
| March | 29° | 24° | 127 | 10 | 12h 15m |
| April | 27° | 22° | 72 | 12 | 11h 34m |
| May | 27° | 20° | 40 | 5 | 11h 1m |
| June | 26° | 19° | 22 | 7 | 10h 44m |
| July | 24° | 18° | 51 | 7 | 10h 51m |
| August | 26° | 18° | 70 | 7 | 11h 19m |
| September | 28° | 20° | 27 | 7 | 11h 57m |
| October | 27° | 21° | 85 | 14 | 12h 36m |
| November | 28° | 22° | 81 | 13 | 13h 13m |
| December | 30° | 23° | 110 | 13 | 13h 32m |
Averages of daily values from the ERA5 reanalysis for 2023–2025 at Rio de Janeiro's coordinates (model elevation 12 m), via Open-Meteo (CC BY 4.0). Three recent years are not a 30-year climate normal; reanalysis smooths local extremes and tends to count more light-rain days than a rain gauge would. Daylight is sunrise to sunset on the 15th of each month.
Weather questions for Rio de Janeiro
What is the hottest month in Rio de Janeiro?
February, with average highs of 31 °C (88 °F) and lows of 25 °C (76 °F) over 2023–2025. The coolest month is July, averaging 24 °C (76 °F) by day and 18 °C (65 °F) at night.
What is the rainiest month in Rio de Janeiro?
January, with about 149 mm of precipitation on roughly 18 days. The driest month is June (22 mm), and the yearly total is around 900 mm.
When is the weather mildest in Rio de Janeiro?
Going by the averages, May–August and October are the months with average daytime highs between 18 °C and 27 °C (64–81 °F) — warm but not hot. January is the month most likely to bring rain.
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About this forecast
The live forecast comes from Open-Meteo, which blends models from national weather services and is fetched fresh in your browser on each visit. Times in the hourly outlook are Rio de Janeiro local time (America/Sao_Paulo).