Weather will likely play an important role when you plan your trip to Mitterberg, 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 58°F, while the coldest months are January and February with an average of 29°F. The snowiest months in Mitterberg are December, January, November, and February, with each month seeing an average of 6 inches of snowfall.