Climate Overview
The climate in Barra do Garças Airport is hot. The average annual temperature is 26°C and approximately 1429mm of precipitation falls per year. December is the wettest month, receiving around 273mm of rainfall. Barra do Garças Airport 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, August, October. The coldest months are July, June, August, when temperatures can drop to 17°C.
Temperature
Barra do Garças Airport sees moderate temperature variation throughout the year, ranging from 17°C to 37°C. September is the hottest month, with daytime highs reaching 37°C and an average of 29°C. July is the coolest month, with minimum temperatures around 17°C and an average of 24°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between July and August, with a 3°C shift in average temperatures.
Precipitation
Barra do Garças Airport is a fairly wet location, receiving approximately 1429mm of precipitation annually, which averages out to around 119mm per month. The wettest month is December, averaging 273mm of rainfall. January and February also tend to see above-average precipitation. The driest month is July, with just 0mm. That's 273mm less than December, 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
Barra do Garças Airport is relatively calm, with an average annual wind speed of 2km/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 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
84 days until Spring
It is currently winter in Barra do Garças Airport, which began on June 21, 2026. Barra do Garças Airport 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 37°C, while the coldest stretch bottoms out in July near 17°C. Spring is next, beginning on September 23, 2026 — 84 days from now.
Spring
Temperatures range from 22 to 37°C. Rainfall is heavy, totalling around 335mm across the season with a monthly average of 112mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 799mm across the season with a monthly average of 266mm. Winds are generally light, averaging 1km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 20 to 32°C. Precipitation is moderate at around 292mm for the season, averaging 97mm per month. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 17 to 35°C. Precipitation is minimal, with only around 3mm for the entire season. Winds are generally light, averaging 2km/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 Barra do Garças Airport is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 0mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 37°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 Barra do Garças Airport 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.
