Weather is probably a major factor when you plan your trip to Sehmatal, 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 57°F, while the coldest months are February and January with an average of 29°F. The snowiest months in Sehmatal are December, November, January, and February, with each month seeing an average of 13 inches of snowfall.