Coles Bay, Australia offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Coles Bay is known for its proximity to Freycinet National Park and Wineglass Bay. The best time to travel to Coles Bay, Australia, is from December to February, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 18-20°C (64-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!