Rondônia in Brazil sees its peak temperatures in August (35°C (95°F)) and its coolest in February (30°C (86°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from Porto Velho, 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.
In Rondônia, particularly in Porto Velho, temperatures are consistently high throughout the year, with average maximum temperatures always above 30°C (86°F).
The hottest season always takes place in August, September and October.
Precipitation in Rondônia varies considerably throughout the year. The wettest conditions occur in February with 355 mm (14 in) of rain, while July stays relatively dry with 23 mm (0.9 in). The region experiences its rainy season during January, February, March, April, November and December, when monthly rainfall can range from 238 mm (9.4 in) to 355 mm (14 in).
