Weather can make or break a roadtrip, so here's some data about year-round temperatures in Mileanca to help you plan yours: The hottest months are usually August and July with an average temp of 68°F, while the coldest months are January and February with an average of 32°F. The snowiest months in Mileanca are April, January, December, and November, with each month seeing an average of 6 inches of snowfall.