South Arm, Australia offers 4 beaches perfect for sunbathing, surfing, swimming, and more. South Arm is known for its picturesque beaches and the South Arm Peninsula, offering scenic views and outdoor activities. The best time to travel to South Arm, Australia, is during the summer months of December to February, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 17-20°C (63-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!