Townsville, Australia offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Townsville, Queensland, Australia, is known for the Great Barrier Reef, Magnetic Island, and the Strand. The best time to travel to Townsville, 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!