Sandusky, United States offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Sandusky is known for Cedar Point amusement park. The best time to travel to Sandusky, United States, is from June to August, with average air temperatures around 70-80°F and water temperatures in Lake Erie around 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!