Weather is probably a major factor when you plan your trip to Rondon Do Para, and keep 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 temp of 81°F, while the coldest months are July and June with an average of 78°F. The rainiest months in Rondon Do Para are March, February, January, and April, with each month seeing an average of 14 inches of rainfall.