If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Acaxochitlan: The hottest months are usually May and April with an average temp of 65°F, while the coldest months are January and February with an average of 56°F. The rainiest months in Acaxochitlan are September, June, July, and August, with each month seeing an average of 15 inches of rainfall.