Thornton Beach, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sila, Southeast Sulawesi, Indonesia, is known for its proximity to the Wakatobi National Park, a renowned diving destination. The best time to visit Thornton Beach, Australia, is from May to October, with average air temperatures around 25°C (77°F) and water temperatures near 23°C (73°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!