Nahiku, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Nahiku is known for its lush rainforests and proximity to the scenic Hana Highway. The best time to travel to Nahiku, United States, is from April to October, with average air temperatures around 75-85°F and water temperatures near 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!