Cape Flattery, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Cape Flattery, Queensland, Australia, is known for its proximity to the Great Barrier Reef and the silica sand mining operations. The best time to visit Cape Flattery, Australia, is from May to October, with average air temperatures around 20-25°C (68-77°F) and water temperatures approximately 23-27°C (73-81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!