Rock Hall, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Rock Hall is known for the Chesapeake Bay, Waterman's Museum, and Rock Hall Harbor. The best time to travel to Rock Hall, United States, is in late spring or early fall when the average air temperature is around 70-75°F and the water temperature is approximately 65-70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!