Hermitage, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Hermitage, Missouri, United States, is known for the Pomme de Terre Lake, which offers opportunities for fishing, boating, and camping. The best time to travel to Hermitage, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and the 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!