Saint Kilda, Australia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Saint Kilda, Victoria, Australia, is known for Luna Park, St Kilda Beach, and the Esplanade Market. The best time to travel to Saint Kilda, Australia, is during the summer months from December to February, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 18-21°C (64-70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!