Weather is probably a major factor when you plan your trip to Hohenschwangau, 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 56°F, while the coldest months are February and January with an average of 28°F. The rainiest months in Hohenschwangau are August, June, May, and July, with each month seeing an average of 10 inches of rainfall.