Hilton Head Island, United States offers 13 beaches perfect for sunbathing, surfing, swimming, and more. Hilton Head Island is known for its world-class golf courses, pristine beaches, and the iconic Harbour Town Lighthouse. The best time to visit Hilton Head Island is from March to May, when the average air temperature is around 70-80°F and the water temperature is approximately 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!