Victor Harbor, Australia offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Victor Harbor is known for Granite Island and the Horse Drawn Tram. The best time to visit Victor Harbor, Australia, is from December to February, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 20°C (68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!