Kiama, Australia offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Kiama, New South Wales, Australia, is known for its iconic natural attraction, the Kiama Blowhole. The best time to travel to Kiama, Australia, is from December to February, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 21-23°C (70-73°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!