Cave City, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Cave City is known for Mammoth Cave National Park. The best time to travel to Cave City, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and water temperature in nearby lakes 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!