Dalyellup, Australia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Dalyellup is known for Dalyellup Beach and the Tuart Forest National Park. The best time to travel to Dalyellup, 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!