Belmar, United States offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Belmar is known for its beautiful beaches and vibrant boardwalk, making it a popular destination for beach tourism. The best time to travel to Belmar, United States, is from June to September, with average air temperatures around 70-85°F and water temperatures ranging from 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!