Leeman, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Leeman, Western Australia, Australia, is known for its proximity to the Pinnacles Desert in Nambung National Park. The best time to travel to Leeman, Australia, is from November to April, with average air temperatures ranging from 20°C to 30°C and water temperatures around 22°C to 25°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!