Climate Overview
The climate in São Geraldo do Araguaia is hot. The average annual temperature is 27°C and approximately 1459mm of precipitation falls per year. March is the wettest month, receiving around 293mm of rainfall. São Geraldo do Araguaia sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
São Geraldo do Araguaia sees moderate temperature variation throughout the year, ranging from 22°C to 35°C. The warmest month is September, when average highs reach 35°C and the mean temperature sits around 29°C. July is the coolest month, with minimum temperatures around 22°C and an average of 27°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
São Geraldo do Araguaia is a fairly wet location, receiving approximately 1459mm of precipitation annually, which averages out to around 122mm per month. The wettest month is March, averaging 293mm of rainfall. February and January also tend to see above-average precipitation. The driest month is August, with just 2mm. That's 291mm less than March, 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
São Geraldo do Araguaia is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 13km/h in winter, 11km/h in spring, 9km/h in summer, 9km/h in autumn.
Seasons
87 days until Winter
It is currently autumn in São Geraldo do Araguaia, which began on March 20, 2026. São Geraldo do Araguaia sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in September at around 35°C, while the coldest stretch bottoms out in July near 22°C. Winter is next, beginning on June 21, 2026 — 87 days from now.
Spring
Temperatures range from 24 to 35°C. Precipitation is moderate at around 222mm for the season, averaging 74mm per month. Winds are generally light, averaging 11km/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 691mm across the season with a monthly average of 230mm. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 528mm across the season with a monthly average of 176mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 35°C. Precipitation is minimal, with only around 18mm for the entire season. Winds are generally light, averaging 13km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for São Geraldo do Araguaia 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.
