Strahan, Australia offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Strahan, Tasmania, Australia, is known for its proximity to the Franklin-Gordon Wild Rivers National Park and the historic West Coast Wilderness Railway. The best time to travel to Strahan, Australia, is during the summer months of December to February, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!