Climate Overview
The climate in São Gonçalo do Amarante is hot. The average annual temperature is 27°C and approximately 1429mm of precipitation falls per year. April is the wettest month, receiving around 309mm of rainfall. São Gonçalo do Amarante sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
São Gonçalo do Amarante has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is May, when average highs reach 28°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 25°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
São Gonçalo do Amarante is a fairly wet location, receiving approximately 1429mm of precipitation annually, which averages out to around 119mm per month. The wettest month is April, averaging 309mm of rainfall. March and February also tend to see above-average precipitation. The driest month is September, with just 10mm. That's 299mm less than April, 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 Gonçalo do Amarante is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 6km/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.
Seasons
13 days until Winter
It is currently autumn in São Gonçalo do Amarante, which began on March 20, 2026. São Gonçalo do Amarante sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in May at around 28°C, while the coldest stretch bottoms out in August near 25°C. Winter is next, beginning on June 21, 2026 — 13 days from now.
Spring
Temperatures range from 25 to 27°C. Precipitation is minimal, with only around 40mm for the entire season. Winds are generally light, averaging 10km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 449mm across the season with a monthly average of 150mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 774mm across the season with a monthly average of 258mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 28°C. Precipitation is moderate at around 166mm for the season, averaging 55mm per month. Winds are generally light, averaging 10km/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 Gonçalo do Amarante 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.
