Calumet Township, United States offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Calumet Township, Michigan, United States, is known for the Keweenaw National Historical Park and the historic Calumet Theatre. The best time to travel to Calumet Township, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F and the water temperature in nearby Lake Michigan is approximately 60-70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!