South Townsville, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. South Townsville, Queensland, Australia, is known for the Reef HQ Aquarium and its proximity to the Great Barrier Reef. The best time to travel to South Townsville, 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!