Manly, Australia offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Manly is known for its iconic Manly Beach, the Manly Ferry, and the Manly Sea Life Sanctuary. The best time to visit Manly, Australia, is from December to February, with average air temperatures around 25°C (77°F) and water temperatures near 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!