Monkey Mia, Australia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Monkey Mia is known for its wild dolphin interactions at the Monkey Mia Dolphin Resort. The best time to visit Monkey Mia, Australia, is from May to October, with average air temperatures ranging from 18°C to 26°C and water temperatures around 22°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!