Whether you're visiting Marajó island in Brazil during the peak of October (32°C (90°F)) or the cooler months around February (29°C (84°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Soure, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
High temperatures are a constant in Marajó island, especially in Soure, with average maximums staying above 29°C (84°F) all year long.
The peak heat season generally takes place in September, October and November.
When it comes to rainfall, Marajó island sees significant variations throughout the year. March tends to be the wettest, receiving 577 mm (23 in) of rain, while October is much drier with just 23 mm (0.9 in). Travelers should note that the rainy season falls during January, February, March, April, May and June, bringing substantial precipitation ranging from 196 mm (7.7 in) to 577 mm (23 in) monthly.
Visitors hoping to maximize their time in the sun should consider planning their trip for September, when daylight hours are at their peak.
