Port Lincoln, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Port Lincoln is known for its shark cage diving experiences with great white sharks. The best time to travel to Port Lincoln, Australia, is from December to February, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 21°C (70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!