Weather will likely play an important role when you plan your trip to Königssee, 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 60°F, while the coldest months are January and February with an average of 31°F. The snowiest months in Königssee are December, January, November, and February, with each month seeing an average of 5 inches of snowfall.