Progar, Serbia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Progar, Belgrade, Serbia, is known for the Bojcin Forest and the Bojcin Cultural Summer event. The best time to travel to Progar, Serbia, is in late spring or early autumn when the average air temperature is around 20°C (68°F) and the water temperature in nearby rivers is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!