Weather can make or break a roadtrip, so here's some data about year-round temperatures in Villamontes to help you plan yours: The hottest months are usually January and November with an average temp of 78°F, while the coldest months are July and June with an average of 64°F. The rainiest months in Villamontes are February, December, January, and March, with each month seeing an average of 7 inches of rainfall.