Kahakuloa, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kahakuloa, Hawaii, United States, is known for the scenic Kahakuloa Head and the historic Kahakuloa Village. The best time to travel to Kahakuloa, United States, is from April to October, with average air temperatures around 75-85°F and water temperatures approximately 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!