Henley Beach South, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Henley Beach South is known for Henley Square and its beautiful sandy beaches. The best time to travel to Henley Beach South, Australia, is from December to February, with average air temperatures around 25°C (77°F) and water temperatures around 21°C (70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!