Leilani Estates, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Leilani Estates is known for its proximity to Hawaii Volcanoes National Park and the Kilauea volcano. The best time to visit Leilani Estates, United States, is from May to October, with average air temperatures around 75°F (24°C) and ocean temperatures near 77°F (25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!