Weather is probably a major factor when you plan your trip to Mururu, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and September with an average temp of 68°F, while the coldest months are January and June with an average of 66°F. The rainiest months in Mururu are April, November, December, and October, with each month seeing an average of 8 inches of rainfall.