The most pleasant months of the year for Casco village are July, August and June. In Casco village, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Casco village with an average high temperature of 77.3°, which ranks it as one of the coolest places in Wisconsin. January is the snowiest month in Casco village with 13.2 inches of snow, and 6 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.