Climate Insights for Rio Bonito

The climate in Rio Bonito is warm and mild. The average annual temperature is 24°C and approximately 1520mm of precipitation falls per year. Rio Bonito receives a notable amount of rainfall throughout the year, including during its driest month. Rio Bonito is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: February, January, March. The coldest months are July, August, June, when temperatures can drop to 17°C.

Rio Bonito sees moderate temperature variation throughout the year, ranging from 17°C to 31°C. The warmest month is February, when average highs reach 31°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 17°C and an average of 21°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Rio Bonito is a fairly wet location, receiving approximately 1520mm of precipitation annually, which averages out to around 127mm per month. The wettest month is January, averaging 232mm of rainfall. February and December also tend to see above-average precipitation. The driest month is July, with just 34mm. That's 198mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Rio Bonito is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently autumn in Rio Bonito, which began on March 20, 2026. Rio Bonito is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 31°C, while the coldest stretch bottoms out in July near 17°C. Winter is next, beginning on June 21, 2026 — 13 days from now.

The best time to visit Rio Bonito is during April, May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 60mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 31°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Rio Bonito based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.