Climate Overview
The climate in Chã Grande is warm and mild. The average annual temperature is 24°C and approximately 762mm 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 sees moderate temperature variation throughout the year, ranging from 19°C to 30°C. The warmest month is December, when average highs reach 30°C and the mean temperature sits around 25°C. August is the coolest month, with minimum temperatures around 19°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
Chã Grande is a relatively dry area, receiving approximately 762mm of precipitation annually, which averages out to around 64mm per month. The wettest month is May, averaging 167mm of rainfall. January and March also tend to see above-average precipitation. The driest month is August, with just 32mm. That's 135mm less than May, 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
Chã Grande is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
61 days until Spring
It is currently winter in Chã Grande, which began on June 21, 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 December at around 30°C, while the coldest stretch bottoms out in August near 19°C. Spring is next, beginning on September 23, 2026 — 61 days from now.
Spring
Temperatures range from 20 to 29°C. Rainfall is relatively light, with around 103mm over the season and a monthly average of 34mm. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 22 to 30°C. Precipitation is moderate at around 196mm for the season, averaging 65mm per month. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 21 to 30°C. Rainfall is heavy, totalling around 340mm across the season with a monthly average of 113mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 19 to 27°C. Rainfall is relatively light, with around 122mm over the season and a monthly average of 41mm. Winds are generally light, averaging 3km/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 April, June, July, 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 46mm per month. By contrast, December can be uncomfortably hot with temperatures reaching 30°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.