Steep Head Island, Australia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Steep Head Island is known for its proximity to the stunning Ningaloo Reef, a UNESCO World Heritage site. The best time to visit Steep Head Island, Australia, is from May to September, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!