Florence Bay, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Florence Bay, Queensland, Australia, is known for its proximity to the Great Barrier Reef and the Magnetic Island National Park. The best time to visit Florence Bay, Australia, is from May to September, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 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!