Stirling Estate, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Stirling Estate, Western Australia, is known for its proximity to the renowned Margaret River wine region and the stunning beaches of Geographe Bay. The best time to travel to Stirling Estate, Australia, is during the summer months of December to February, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!