Hyams Beach, Australia offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Hyams Beach, New South Wales, Australia, is known for its exceptionally white sand beaches and proximity to Jervis Bay Marine Park. The best time to visit Hyams Beach, Australia, is from December to February, with average air temperatures around 25°C (77°F) and water temperatures about 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!