Normandy, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Normandy, Tennessee, United States, is known for Normandy Lake and the Normandy Dam. The best time to travel to Normandy, United States, is in late spring (May to June) when the average air temperature is around 70°F (21°C) and the water temperature 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!