Weather is probably a major factor when you plan your trip to Germfask, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August with an average temp of 63°F, while the coldest months are February and January with an average of 23°F. The snowiest months in Germfask are January, November, March, and December, with each month seeing an average of 10 inches of snowfall.