Climate Overview
The climate in Barra de Santo Antônio is hot. The average annual temperature is 26°C and approximately 967mm of precipitation falls per year. June is the wettest month, receiving around 165mm of rainfall. Barra de Santo Antônio sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Barra de Santo Antônio has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is March, when average highs reach 28°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.
Precipitation
Barra de Santo Antônio is a moderately rainy area, receiving approximately 967mm of precipitation annually, which averages out to around 81mm per month. The wettest month is June, averaging 165mm of rainfall. May and March also tend to see above-average precipitation. The driest month is October, with just 25mm. That's 140mm less than June, 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
Barra de Santo Antônio is moderately windy, with an average annual wind speed of 25km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months.
Seasons
89 days until Winter
It is currently autumn in Barra de Santo Antônio, which began on March 20, 2026. Barra de Santo Antônio sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 28°C, while the coldest stretch bottoms out in August near 24°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 25 to 27°C. Rainfall is relatively light, with around 101mm over the season and a monthly average of 34mm. Winds are strong, averaging 26km/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 relatively light, with around 144mm over the season and a monthly average of 48mm. Winds are moderate at around 24km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 390mm across the season with a monthly average of 130mm. Winds are moderate at around 22km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 27°C. Rainfall is heavy, totalling around 332mm across the season with a monthly average of 111mm. Winds are strong, averaging 26km/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 Barra de Santo Antônio is during August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 62mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 28°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 Barra de Santo Antônio 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.
