Visiting local bars in Fannrem is more fun in good weather. These rainfall averages and temperatures can help you decide the best time for bar hopping. The hottest months are usually July and August with an average temp of 54°F, while the coldest months are January and February with an average of 29°F. The snowiest months in Fannrem are December, January, February, and March, with each month seeing an average of 14 inches of snowfall.