Weather will likely play an important role when you plan your trip to Nova Lima, 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 71°F, while the coldest months are July and June with an average of 65°F. The rainiest months in Nova Lima are December, January, November, and February, with each month seeing an average of 10 inches of rainfall.