Ualapue, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Ualapue, Hawaii, United States, is known for its proximity to the historic Kalaupapa National Historical Park. The best time to travel to Ualapue, United States, is from May to October, with average air temperatures around 75-85°F and water temperatures near 77-82°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!