If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Teziutlan: The hottest months are usually May and April with an average temp of 66°F, while the coldest months are January and February with an average of 58°F. The rainiest months in Teziutlan are September, August, June, and July, with each month seeing an average of 13 inches of rainfall.