Rio de Janeiro Weather & Climate: Best Time to Visit
The high season in Rio is summer (December to March), but this season is also the most crowded and most expensive period. Off-season (May-October) is also a good option if you are looking for low hotel prices and don't mind to face the risk of having some days with low temperatures. Rio's winter temperatures stay around the 20°C (68°F), dipping occasionally below the 15°C (59°F).
Rainy days can be disturbing during a visit to Rio, but they are very unpredictable. They sometimes occur in high season as well.
Monthly Temperature in Rio de Janeiro
With minimal seasonal shifts, Rio de Janeiro experiences a constant climate year-round. Average daytime temperatures reach a very warm 32°C (90°F) in February. In July, the coolest month of the year, temperatures drop to a comfortable 26°C (79°F).
At night, temperatures range from around 24°C (75°F) in February to 18°C (64°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Rio de Janeiro
Rio de Janeiro has a notably wet climate with abundant precipitation, recording 1392 mm (55 in) of rainfall per year. Rio de Janeiro can be quite wet during January, receiving approximately 199 mm (7.8 in) of precipitation over 20 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 45 mm (1.8 in) of precipitation spread across 9 rainy days days. For more details, please visit our Rio de Janeiro Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Rio de Janeiro
Rio de Janeiro experiences moderate variation in sunshine hours across the seasons. With 7.1 hours daily sunshine in January, it dips to 4.8 hours in September, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Rio de Janeiro
The mean water temperature over the year ranges from 21°C (70°F) in August to 26°C (79°F) in February.
Water temperature over the year
Humidity in Rio de Janeiro by Month
The relative humidity is high throughout the year in Rio de Janeiro.
The city experiences its highest humidity in March, reaching 80%. In July, the humidity drops to its lowest level at 77%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Rio de Janeiro
The mean wind speed over the year ranges from 2 m/s (4 knots) in April, May, June and July to 4 m/s (8 knots) in November. What does this mean?
The mean monthly wind speed over the year (meters per second)
Rio de Janeiro 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Rio de Janeiro
With its warm weather, Rio de Janeiro experiences temperatures from 26°C (79°F) to 32°C (90°F) throughout the year. June, July and August offers the driest weather, which makes it a good time to visit.It's smart to plan your activities during the cooler morning hours or take advantage of the refreshing evenings.
Note that January, March, November and December make up the rainy season, with heavier precipitation expected. Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.
