Climate Overview
The climate in Chã Grande is warm and mild. The average annual temperature is 25°C and approximately 1072mm of precipitation falls per year. Chã Grande receives a notable amount of rainfall throughout the year, including during its driest month. Chã Grande sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Chã Grande has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is February, when average highs reach 29°C and the mean temperature sits around 26°C. August is the coolest month, with minimum temperatures around 20°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.
Precipitation
Chã Grande is a moderately rainy area, receiving approximately 1072mm of precipitation annually, which averages out to around 89mm per month. The wettest month is June, averaging 142mm of rainfall. May and March also tend to see above-average precipitation. The driest month is November, with just 42mm. That's 99mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Chã Grande is relatively calm, with an average annual wind speed of 4km/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 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 3km/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
13 days until Winter
It is currently autumn in Chã Grande, which began on March 20, 2026. Chã Grande sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 29°C, while the coldest stretch bottoms out in August near 20°C. Winter is next, beginning on June 21, 2026 — 13 days from now.
Spring
Temperatures range from 21 to 29°C. Rainfall is relatively light, with around 149mm over the season and a monthly average of 50mm. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 22 to 29°C. Precipitation is moderate at around 221mm for the season, averaging 74mm per month. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 29°C. Rainfall is heavy, totalling around 358mm across the season with a monthly average of 119mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 20 to 27°C. Rainfall is heavy, totalling around 343mm across the season with a monthly average of 114mm. Winds are generally light, averaging 4km/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 Chã Grande is during August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 62mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 29°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Chã Grande 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.
