Weather is probably a major factor when you plan your trip to Matagalpa, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and March with an average temp of 74°F, while the coldest months are January and February with an average of 71°F. The rainiest months in Matagalpa are October, May, June, and September, with each month seeing an average of 11 inches of rainfall.