Taking into account the local weather in Kemmental is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually July and August with an average temp of 62°F, while the coldest months are January and February with an average of 34°F. The rainiest months in Kemmental are August, June, July, and May, with each month seeing an average of 7 inches of rainfall.