Weather can make or break a roadtrip, so we've gathered some data about year-round temperatures in Pilar 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 June with an average of 63°F. The snowiest months in Pilar are May, January, February, and March, with each month seeing an average of 7 inches of snowfall.