Singleton, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Singleton, Western Australia, is known for its proximity to the scenic beaches of the Indian Ocean and the nearby Yalgorup National Park. The best time to travel to Singleton, Australia, is during spring (September to November) when the average air temperature is around 20°C (68°F) and 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!