Dangar Island, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dangar Island is known for its scenic Hawkesbury River views and the historic Dangar Island Bowling Club. The best time to visit Dangar Island, Australia, is during the spring months of September to November, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 18-20°C (64-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!