Whether you're visiting Acre in Brazil during the peak of September (35°C (95°F)) or the cooler months around May (31°C (88°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Rio Branco, 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.
The climate in Acre, particularly in Rio Branco, is characterized by consistently high temperatures, with average maximums never falling below 31°C (88°F).
August, September and October are generally the hottest months of the year.
Precipitation in Acre varies considerably throughout the year. The wettest conditions occur in February with 274 mm (11 in) of rain, while July stays relatively dry with 25 mm (1 in). The region experiences its rainy season during January, February, March, November and December, when monthly rainfall can range from 208 mm (8.2 in) to 274 mm (11 in).
July is the sunniest period, with ideal conditions for exploring the region and all it has to offer.
