Stanwell Park, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Stanwell Park, New South Wales, Australia, is known for the Sea Cliff Bridge and Bald Hill Lookout. The best time to travel to Stanwell Park, Australia, is during the spring months of September to November, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!