Mitchellville, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mitchellville, South Australia, Australia, is known for the Eyre Peninsula's stunning coastal scenery and the nearby Gawler Ranges National Park. The best time to travel to Mitchellville, Australia, is during the spring months of September to November, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 18-20°C (64-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!