Rio Bonito Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rio Bonito.
Climate overview of Rio Bonito
Rio Bonito, Rio de Janeiro State, Brazil, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 28°C (82°F), peaking in February at 32°C (90°F) and dipping in July to 26°C (79°F).
With around 1823 mm (72 in) of annual rainfall, Rio Bonito has a notably wet climate. However, this rainfall is not evenly distributed, the city has a distinct rainy season from November to March. The wettest month is December. The sunniest month is August, with 5.5 hours of sunshine per day on average.
Rio Bonito Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rio Bonito - and find the best time to visit.
Monthly Temperature in Rio Bonito
With minimal seasonal shifts, Rio Bonito 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 23°C (73°F) in February to 17°C (63°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Rio Bonito
Rio Bonito has a notably wet climate with abundant precipitation, recording 1823 mm (72 in) of rainfall per year. Rio Bonito can be quite wet during December, receiving approximately 274 mm (11 in) of precipitation over 21 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 49 mm (1.9 in) of precipitation spread across 10 rainy days. For more details, please visit our Rio Bonito 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 Bonito
Rio Bonito can be enjoyed more throughout the sunniest month of August under a blue sky, with approximately 5.5 hours of sunshine daily. In contrast, the city experiences much darker days in October, with only 3.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Rio Bonito by Month
The city experiences its highest humidity in June, reaching 83%. In January, 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
Best Time to Visit Rio Bonito
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: January, February and March
- Most sunshine: May and August
- Fewest rainy days: June, July, August and September
- Wettest months: January, February, March, November and December, when rainfall is highest.
- Seasonal pattern: A distinct rainy season from November to March
Frequently asked questions about the climate in Rio Bonito
What is the best time to visit Rio Bonito?
May, June, July, August and September typically offer the most optimal weather in Rio Bonito. In contrast, January, February, March and December tend to have less optimal conditions. Rio Bonito has a distinct rainy season from November to March.
What temperatures can I expect in Rio Bonito?
Daytime highs range from 26°C (79°F) in July to 32°C (90°F) in February. Nighttime lows range from 17°C (63°F) to 23°C (73°F). Temperatures stay relatively stable year-round.
How much rain does Rio Bonito get?
Annual rainfall is around 1823 mm (72 in). December is the wettest month with 274 mm (11 in), while July is the driest with 49 mm (1.9 in).
How sunny is Rio Bonito?
Rio Bonito receives around 1,675 hours of sunshine per year. August is the sunniest month with 166 hours, while October is the cloudiest with just 97 hours.
Rio Bonito 3-Day Forecast
Rio Bonito on the map
Rio Bonito is highlighted - select any city to see its climate.
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