Portland Road, Australia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Portland Road, Queensland, Australia, is known for its proximity to the Great Barrier Reef and the Iron Range National Park. The best time to travel to Portland Road, Australia, is during the dry season from May to October, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 24°C (75°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!