West Colesville, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. West Colesville, New York, United States, is known for its proximity to the scenic Chenango Valley State Park. The best time to travel to West Colesville, United States, is in late spring (May), when the average air temperature is around 65°F (18°C) and water temperature in nearby bodies 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!