Weather can make or break a roadtrip, so we've gathered some data about year-round temperatures in Diégonéfla to help you plan yours. The hottest months are usually January and February with an average temp of 81°F, while the coldest months are July and August with an average of 76°F. The rainiest months in Diégonéfla are September, October, June, and May, with each month seeing an average of 7 inches of rainfall.