Weather is probably a major factor when you plan your trip to Coatepec, and keep in mind that cheaper options are usually available when the weather isn’t as good. The hottest months are usually April and May with an average temp of 67°F, while the coldest months are January and February with an average of 59°F. The rainiest months in Coatepec are September, June, August, and May, with each month seeing an average of 11 inches of rainfall.