Weather can make or break a roadtrip, so we've gathered some data about year-round temperatures in Larimore to help you plan yours. The hottest months are usually July and August with an average temp of 67°F, while the coldest months are January and February with an average of 15°F. The snowiest months in Larimore are April, October, December, and February, with each month seeing an average of 7 inches of snowfall.