Rapid Creek, Australia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Rapid Creek, Northern Territory, Australia, is known for the Rapid Creek Markets and its proximity to the Casuarina Coastal Reserve. The best time to travel to Rapid Creek, Australia, is during the dry season from May to September, when the average air temperature is around 20-30°C (68-86°F) and the water temperature is approximately 25-28°C (77-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!