Piermont, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Crantock is known for its stunning sandy beach and picturesque coastal scenery. The best time to travel to Piermont, United States, is during the late spring to early fall (May to September), when the average air temperature ranges from 60°F to 80°F (15°C to 27°C) and the Hudson River water temperature is typically between 60°F to 75°F (15°C to 24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!