Hana, United States offers 12 beaches perfect for sunbathing, surfing, swimming, and more. Hana is known for the scenic Hana Highway and the lush landscapes of Haleakala National Park. The best time to travel to Hana, United States, is from April to October, with average air temperatures around 70-85°F and water temperatures about 75-80°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!