Climate Overview
The climate in Tonantins is hot. The average annual temperature is 26°C and approximately 2977mm of precipitation falls per year. Tonantins receives a notable amount of rainfall throughout the year, including during its driest month. Tonantins sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Tonantins has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is September, when average highs reach 32°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 23°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
Tonantins is a very wet location, receiving approximately 2977mm of precipitation annually, which averages out to around 248mm per month. The wettest month is April, averaging 347mm of rainfall. May and March also tend to see above-average precipitation. The driest month is August, with just 117mm. That's 230mm less than April, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Tonantins is relatively calm, with an average annual wind speed of 1km/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 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
82 days until Spring
It is currently winter in Tonantins, which began on June 21, 2026. Tonantins 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 32°C, while the coldest stretch bottoms out in July near 23°C. Spring is next, beginning on September 23, 2026 — 82 days from now.
Spring
Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 583mm across the season with a monthly average of 194mm. Winds are generally light, averaging 1km/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 910mm across the season with a monthly average of 303mm. Winds are generally light, averaging 1km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 1007mm across the season with a monthly average of 336mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 476mm across the season with a monthly average of 159mm. Winds are generally light, averaging 1km/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 Tonantins 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.
