Maranhão in Brazil sees its peak temperatures in September (31°C (88°F)) and its coolest in March (29°C (84°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from São Luís, the region's most visited city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
Throughout the year, Maranhão, particularly São Luís, maintains high temperatures, with average maximums always over 29°C (84°F).
August, September and October are generally the hottest months of the year.
Precipitation in Maranhão varies considerably throughout the year. The wettest conditions occur in March with 434 mm (17 in) of rain, while September stays relatively dry with 18 mm (0.7 in). The region experiences its rainy season during January, February, March, April and May, when monthly rainfall can range from 226 mm (8.9 in) to 434 mm (17 in). The driest conditions can be found during September, with rainfall staying below 18 mm (0.7 in).
For those seeking sunshine, August usually has the brightest skies, making it an excellent time for exploring the region.
