Climate Insights for Barreirinhas

The climate in Barreirinhas is warm and mild. The average annual temperature is 25°C and approximately 193mm of precipitation falls per year. October is the wettest month, receiving around 33mm of rainfall. Barreirinhas sits near the equator, so seasonal temperature differences are minimal throughout the year.

Barreirinhas sees moderate temperature variation throughout the year, ranging from 16°C to 30°C. The warmest month is November, when average highs reach 30°C and the mean temperature sits around 28°C. September is the coolest month, with minimum temperatures around 16°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.

Barreirinhas is a quite dry location, receiving approximately 193mm of precipitation annually, which averages out to around 16mm per month. The wettest month is January, averaging 33mm of rainfall. February and September also tend to see above-average precipitation. The driest month is July, with just 0mm. That's 33mm less than January, 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.

Barreirinhas is relatively calm, with an average annual wind speed of 5km/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 7km/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. Wind speeds vary significantly across the year, with a 6km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 4km/h in winter, 4km/h in spring, 6km/h in summer, 6km/h in autumn.

It is currently winter in Barreirinhas, which began on June 21, 2026. Barreirinhas sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in November at around 30°C, while the coldest stretch bottoms out in September near 16°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

The best time to visit Barreirinhas is during February, March, April, May, June, July and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 13mm per month. By contrast, November can be uncomfortably hot with temperatures reaching 30°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Barreirinhas 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.