Sutton, United States offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Sutton, New Hampshire, United States, is known for the Muster Field Farm Museum and Wadleigh State Park. The best time to travel to Sutton, United States, is in late spring (May), when the average air temperature is around 65°F (18°C) and the water temperature is approximately 55°F (13°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!