Barreirinhas Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Barreirinhas.
Climate overview of Barreirinhas
Barreirinhas, Maranhão, Brazil, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 32°C (90°F), peaking in September at 34°C (93°F) and dipping in March to 31°C (88°F).
The city receives considerable rainfall, with around 1453 mm (57 in) annually. April is the wettest month. It has distinct dry (August to November) and wet (February to May) seasons.
Barreirinhas Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Barreirinhas - and find the best time to visit.
Monthly Temperature in Barreirinhas
With minimal seasonal shifts, Barreirinhas experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very warm 34°C (93°F) in September to a very warm 31°C (88°F) in the coolest month, March.
Nights vary from 25°C (77°F) in September to around 24°C (75°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Barreirinhas
Barreirinhas has a notably wet climate with abundant precipitation, recording 1453 mm (57 in) of rainfall per year. The climate in Barreirinhas shows significant variation throughout the year. Expect heavy rainfall in April, the wettest month, with an average of 333 mm (13 in) of precipitation over 30 rainy days.
In contrast, the driest month September offers drier and sunnier days, with around 6.5 mm (0.3 in) of rainfall over 8 rainy days. For more details, please visit our Barreirinhas Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Barreirinhas
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and November
- Warmest weather: July, August, September, October, November and December
- Fewest rainy days: October and November
- Wettest months: January, February, March, April and May, when rainfall is highest.
- Seasonal pattern: Distinct dry (August to November) and wet (February to May) seasons
Frequently asked questions about the climate in Barreirinhas
What is the best time to visit Barreirinhas?
June, July and November typically offer the most optimal weather in Barreirinhas. In contrast, February, March, April, May, August, September and October tend to have less optimal conditions. Barreirinhas has distinct dry (August to November) and wet (February to May) seasons.
What temperatures can I expect in Barreirinhas?
Daytime highs range from 31°C (88°F) in March to 34°C (93°F) in September. Nighttime lows range from 24°C (75°F) to 25°C (77°F). Temperatures stay relatively stable year-round.
How much rain does Barreirinhas get?
Annual rainfall is around 1453 mm (57 in). April is the wettest month with 333 mm (13 in), while September is the driest with 6.5 mm (0.3 in).
Barreirinhas 3-Day Forecast
Barreirinhas on the map
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