Climate Insights for Barreiros

The climate in Barreiros is hot. The average annual temperature is 26°C and approximately 1053mm of precipitation falls per year. June is the wettest month, receiving around 172mm of rainfall. Barreiros sits near the equator, so seasonal temperature differences are minimal throughout the year.

Barreiros has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is February, when average highs reach 29°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 23°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.

Barreiros is a moderately rainy area, receiving approximately 1053mm of precipitation annually, which averages out to around 88mm per month. The wettest month is June, averaging 172mm of rainfall. May and March also tend to see above-average precipitation. The driest month is October, with just 30mm. That's 143mm 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.

Barreiros is mildly breezy, with an average annual wind speed of 18km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently autumn in Barreiros, which began on March 20, 2026. Barreiros sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 29°C, while the coldest stretch bottoms out in August near 23°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Barreiros is during August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 61mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 29°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Barreiros 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.