When you're dreaming of a escape to Mirití-Paraná, make sure that you take the year-round temperatures into account. The hottest months are usually September and October, with an average temperature of 25°C, while the coldest months are July and August, with an average of 24°C. The rainiest months in Mirití-Paraná are May, April, June and July, with each month seeing an average of 426 mm of rainfall.