Dennington, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dennington is known for its proximity to the Great Ocean Road and the Twelve Apostles. The best time to travel to Dennington, Australia, is during the summer months of December to February, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 18-20°C (64-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!