Hideaway Bay, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Hideaway Bay is known for its proximity to the Great Barrier Reef and the Whitsunday Islands. The best time to travel to Hideaway Bay, Australia, is from May to September, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 23-25°C (73-77°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!