Egg Harbor, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Egg Harbor is known for its scenic views of Green Bay, the Door County Maritime Museum, and the Egg Harbor Marina. The best time to travel to Egg Harbor, United States, 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!