Sydney, Australia offers 81 beaches perfect for sunbathing, surfing, swimming, and more. Sydney is known for the Sydney Opera House, Sydney Harbour Bridge, and Bondi Beach. The best time to travel to Sydney, Australia, is from September to November, with average air temperatures around 18-22°C (64-72°F) and water temperatures around 18-21°C (64-70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!