Grobnice, Serbia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Grobnice, Sumadija and Western Serbia, Serbia, is known for its proximity to the historic city of Kragujevac and the beautiful Sumadija wine region. The best time to travel to Grobnice, Serbia, is in late spring (May to June) when the average air temperature is around 20-25°C (68-77°F) and water temperature in nearby rivers is approximately 15-20°C (59-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!