The most pleasant months of the year for Milltown village are August, June and July. In Milltown village, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Milltown village with an average high temperature of 80.9°, which ranks it as cooler than most places in Wisconsin. December is the snowiest month in Milltown village with 10.9 inches of snow, and 7 months of the year have significant snowfall. But there some days when the humidity becomes unpleasant, especially in July and August.