Sturgeon Bay, United States offers 23 beaches perfect for sunbathing, surfing, swimming, and more. Sturgeon Bay is known for the Door County Maritime Museum and the Sturgeon Bay Ship Canal. The best time to travel to Sturgeon Bay is in July, when the average air temperature is around 70°F (21°C) and the water temperature is approximately 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!