If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Pérula: The hottest months are usually May and July with an average temp of 80°F, while the coldest months are February and January with an average of 75°F. The rainiest months in Pérula are September, August, July, and October, with each month seeing an average of 9 inches of rainfall.