Climate Overview
The climate in São Bento is hot. The average annual temperature is 28°C and approximately 1748mm of precipitation falls per year. March is the wettest month, receiving around 421mm of rainfall. São Bento sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
São Bento has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is October, when average highs reach 33°C and the mean temperature sits around 28°C. July is the coolest month, with minimum temperatures around 24°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.
Precipitation
São Bento is a fairly wet location, receiving approximately 1748mm of precipitation annually, which averages out to around 146mm per month. The wettest month is March, averaging 421mm of rainfall. April and February also tend to see above-average precipitation. The driest month is September, with just 9mm. That's 411mm less than March, 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 Bento is mildly breezy, with an average annual wind speed of 17km/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 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap between the calmest and windiest months.
Seasons
87 days until Winter
It is currently autumn in São Bento, which began on March 20, 2026. São Bento sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in October at around 33°C, while the coldest stretch bottoms out in July near 24°C. Winter is next, beginning on June 21, 2026 — 87 days from now.
Spring
Temperatures range from 25 to 33°C. Rainfall is relatively light, with around 61mm over the season and a monthly average of 20mm. Winds are moderate at around 21km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 533mm across the season with a monthly average of 178mm. Winds are moderate at around 17km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 31°C. Rainfall is heavy, totalling around 1004mm across the season with a monthly average of 335mm. Winds are generally light, averaging 13km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 32°C. Rainfall is relatively light, with around 149mm over the season and a monthly average of 50mm. Winds are moderate at around 15km/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 Bento 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.
