Climate Overview
The climate in São Geraldo do Araguaia is hot. The average annual temperature is 28°C and approximately 1591mm of precipitation falls per year. January is the wettest month, receiving around 343mm 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. August is the hottest month, with daytime highs reaching 35°C and an average of 29°C. July is the coolest month, with minimum temperatures around 22°C and an average of 28°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 1591mm of precipitation annually, which averages out to around 133mm per month. The wettest month is January, averaging 343mm of rainfall. March and December also tend to see above-average precipitation. The driest month is July, with just 1mm. That's 342mm 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.
Wind
São Geraldo do Araguaia 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 July, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, 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
63 days until Spring
It is currently winter in São Geraldo do Araguaia, which began on June 21, 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 August at around 35°C, while the coldest stretch bottoms out in July near 22°C. Spring is next, beginning on September 23, 2026 — 63 days from now.
Spring
Temperatures range from 24 to 34°C. Precipitation is moderate at around 285mm for the season, averaging 95mm per month. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 23 to 33°C. Rainfall is heavy, totalling around 737mm across the season with a monthly average of 246mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 529mm across the season with a monthly average of 176mm. Winds are generally light, averaging 1km/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 40mm 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.
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.