Climate Insights for Três Barras

The climate in Três Barras is warm and mild. The average annual temperature is 18°C and approximately 1462mm of precipitation falls per year. Três Barras receives a notable amount of rainfall throughout the year, including during its driest month. Três Barras 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, December. The coldest months are July, August, June, when temperatures can drop to 9°C.

Três Barras sees moderate temperature variation throughout the year, ranging from 9°C to 27°C. The warmest month is February, when average highs reach 27°C and the mean temperature sits around 22°C. July is the coolest month, with minimum temperatures around 9°C and an average of 14°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 3°C shift in average temperatures.

Três Barras is a fairly wet location, receiving approximately 1462mm of precipitation annually, which averages out to around 122mm per month. The wettest month is October, averaging 196mm of rainfall. January and December also tend to see above-average precipitation. The driest month is July, with just 46mm. That's 149mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Três Barras is relatively calm, with an average annual wind speed of 9km/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 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently winter in Três Barras, which began on June 21, 2026. Três Barras 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 27°C, while the coldest stretch bottoms out in July near 9°C. Spring is next, beginning on September 23, 2026 (3 days from now).

The best time to visit Três Barras is during April and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 83mm per month. By contrast, February can be uncomfortably hot with highs reaching 27°C, while July is the coldest period with lows dropping to 9°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Três Barras 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.