Norwalk, United States offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Norwalk is known for the Maritime Aquarium and Stepping Stones Museum for Children. The best time to travel to Norwalk, United States, is during late spring (May to June) when the average air temperature is around 65-75°F and the water temperature is approximately 60-65°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!