Barrington, United States offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Barrington, Rhode Island, United States, is known for the Barrington Town Beach and the East Bay Bike Path. The best time to travel to Barrington, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F and water temperature in nearby lakes is approximately 65-75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!