Golubac, Serbia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Golubac is known for the Golubac Fortress, a medieval fortification located on the banks of the Danube River. The best time to travel to Golubac, Serbia, is from May to September, when the average air temperature is around 20-25°C (68-77°F) and the Danube River water temperature is approximately 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!