Weather is probably a major factor when you plan your trip to Innenstadt, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and July with an average temp of 62°F, while the coldest months are January and February with an average of 34°F. The snowiest months in Innenstadt are December, November, January, and February, with each month seeing an average of 13 inches of snowfall.