Belmunda, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Belmunda, Queensland, Australia, is known for its proximity to the Great Barrier Reef. The best time to travel to Belmunda, Australia, is from May to September, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 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!