Climate Overview
The climate in Barreirinha is hot. The average annual temperature is 28°C and approximately 2789mm of precipitation falls per year. Barreirinha receives a notable amount of rainfall throughout the year, including during its driest month. Barreirinha sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Barreirinha has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is January, when average highs reach 32°C and the mean temperature sits around 29°C. December 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
Barreirinha is a very wet location, receiving approximately 2789mm of precipitation annually, which averages out to around 232mm per month. The wettest month is March, averaging 484mm of rainfall. December and April also tend to see above-average precipitation. The driest month is August, with just 84mm. That's 400mm 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
Barreirinha is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
61 days until Spring
It is currently winter in Barreirinha, which began on June 21, 2026. Barreirinha sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in January at around 32°C, while the coldest stretch bottoms out in December near 24°C. Spring is next, beginning on September 23, 2026 — 61 days from now.
Spring
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 417mm across the season with a monthly average of 139mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 24 to 32°C. Rainfall is heavy, totalling around 894mm across the season with a monthly average of 298mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 31°C. Rainfall is heavy, totalling around 1163mm across the season with a monthly average of 388mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 316mm across the season with a monthly average of 105mm. Winds are generally light, averaging 1km/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 Barreirinha 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.