Dawesville, Australia offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Dawesville, Western Australia, Australia, is known for the Dawesville Cut, a man-made channel that connects the Peel-Harvey Estuary to the Indian Ocean. The best time to travel to Dawesville, Australia, is during the summer months of December to February, when the average air temperature is around 25-30°C (77-86°F) and the water temperature is approximately 20-22°C (68-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!