Climate Insights for Barreirinha

The climate in Barreirinha is hot. The average annual temperature is 29°C and approximately 222mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Barreirinha sits near the equator, so seasonal temperature differences are minimal throughout the year.

Barreirinha sees moderate temperature variation throughout the year, ranging from 24°C to 40°C. January is the hottest month, with daytime highs reaching 40°C and an average of 32°C. December is the coolest month, with minimum temperatures around 24°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between May and June, with a 3°C shift in average temperatures.

Barreirinha is a quite dry location, receiving approximately 222mm of precipitation annually, which averages out to around 18mm per month. The wettest month is July, averaging 33mm of rainfall. August and September also tend to see above-average precipitation. The driest month is January, with just 0mm. That's 33mm less than July, 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.

Barreirinha is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 11km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 11km/h in winter, 5km/h in spring, 3km/h in summer, 4km/h in autumn.

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 40°C, while the coldest stretch bottoms out in December near 24°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

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.