Canunda, Australia offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Canunda, South Australia, Australia, is known for Canunda National Park, which offers stunning coastal scenery and diverse wildlife. The best time to travel to Canunda, Australia, is during the summer months of 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!