Old Beach, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Old Beach, Tasmania, Australia, is known for its proximity to the scenic Derwent River and the nearby attractions of Hobart, including the Museum of Old and New Art (MONA) and Mount Wellington. The best time to travel to Old Beach, Australia, is during the summer months of December to February, when the average air temperature is around 68-77°F (20-25°C) and the water temperature is approximately 64-70°F (18-21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!