Dampier Archipelago, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dampier Archipelago is known for its stunning marine biodiversity and ancient Indigenous rock art. The best time to travel to the Dampier Archipelago, Australia, is from May to October, 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!