If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Tepesia: The hottest months are usually April and May with an average temp of 81°F, while the coldest months are January and December with an average of 68°F. The rainiest months in Tepesia are July, August, June, and September, with each month seeing an average of 24 inches of rainfall.