Climate Overview
The climate in Rolim de Moura do Guaporé is hot. The average annual temperature is 26°C and approximately 1511mm of precipitation falls per year. February is the wettest month, receiving around 243mm of rainfall. Rolim de Moura do Guaporé 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: September, October, August. The coldest months are July, June, August, when temperatures can drop to 19°C.
Temperature
Rolim de Moura do Guaporé sees moderate temperature variation throughout the year, ranging from 19°C to 34°C. The warmest month is September, when average highs reach 34°C and the mean temperature sits around 28°C. July is the coolest month, with minimum temperatures around 19°C and an average of 25°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
Rolim de Moura do Guaporé is a fairly wet location, receiving approximately 1511mm of precipitation annually, which averages out to around 126mm per month. The wettest month is February, averaging 243mm of rainfall. January and March also tend to see above-average precipitation. The driest month is July, with just 2mm. That's 241mm less than February, 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.
Wind
Rolim de Moura do Guaporé 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 August, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, 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.
Seasons
87 days until Winter
It is currently autumn in Rolim de Moura do Guaporé, which began on March 20, 2026. Rolim de Moura do Guaporé 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 September at around 34°C, while the coldest stretch bottoms out in July near 19°C. Winter is next, beginning on June 21, 2026 — 87 days from now.
Spring
Temperatures range from 23 to 34°C. Rainfall is heavy, totalling around 326mm across the season with a monthly average of 109mm. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 702mm across the season with a monthly average of 234mm. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 21 to 31°C. Rainfall is heavy, totalling around 440mm across the season with a monthly average of 147mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 19 to 33°C. Precipitation is minimal, with only around 43mm for the entire season. Winds are generally light, averaging 10km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Rolim de Moura do Guaporé is during May, June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 28mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 34°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Rolim de Moura do Guaporé 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.
