Joondalup, Australia offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Joondalup is known for the Lakeside Joondalup Shopping City and the beautiful Yellagonga Regional Park. The best time to travel to Joondalup, Australia, is from November to March, with average air temperatures around 25-30°C (77-86°F) and water temperatures around 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!