Avon, United States offers 13 beaches perfect for sunbathing, surfing, swimming, and more. Avon, North Carolina, United States, is known for Cape Hatteras National Seashore and the Cape Hatteras Lighthouse. The best time to travel to Avon, United States, is during the summer months of June to August, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!