New Cumberland, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. New Cumberland, Ohio, United States, is known for its proximity to the scenic Atwood Lake and the Atwood Lake Park. The best time to travel to New Cumberland, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and the water temperature in nearby rivers is approximately 60°F (16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!