Seaside Heights, United States offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Seaside Heights is known for its iconic boardwalk and the MTV reality show "Jersey Shore." The best time to travel to Seaside Heights, United States, is from June to August, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!