Arnhem Land, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Arnhem Land, Northern Territory, Australia, is known for its indigenous Yolngu culture and the Garma Festival. The best time to travel to Arnhem Land, Australia, is during the dry season from May to October, with average air temperatures around 20-30°C (68-86°F) and water temperatures around 25-28°C (77-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!