Weather will likely play an important role when you plan your trip to Pirenópolis, but bear in mind that cheaper options are usually available when the weather isn’t as good. The hottest months are usually September and October, with an average temperature of 24°C, while the coldest months are July and June, with an average of 22°C. The rainiest months in Pirenópolis are December, January, November and February, with each month seeing an average of 283 mm of rainfall.