Aldinga Beach, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Aldinga Beach, South Australia, Australia, is known for the Aldinga Reef Aquatic Reserve and the nearby McLaren Vale wine region. The best time to visit Aldinga Beach, Australia, is from December to February, with average air temperatures around 25-30°C (77-86°F) and water temperatures around 20-22°C (68-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!