Darien, United States offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Darien is known for its picturesque Pear Tree Point Beach and the historic Darien Historical Society. The best time to travel to Darien, United States, is in late spring (May), 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!