If you're looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Brasileia: The hottest months are usually September and August, with an average temperature of 26°C, while the coldest months are July and June, with an average of 25°C. The rainiest months in Brasileia are February, March, January and December, with each month seeing an average of 335 mm of rainfall.