Kalaheo, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kalaheo is known for its proximity to beautiful beaches and lush landscapes in Hawaii. The best time to travel to Kalaheo, United States, is from April to October, with average air temperatures ranging from 70°F to 85°F and water temperatures around 75°F to 80°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!