Kahuku, United States offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Kahuku is known for its beautiful beaches, shrimp trucks, and the Turtle Bay Resort. The best time to travel to Kahuku, United States, is from April to October, with average air temperatures ranging from 75°F to 85°F and water temperatures around 77°F to 82°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!