Rudina, Croatia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Rudina, Dalmatia, Croatia, is known for its proximity to the UNESCO World Heritage Site of Stari Grad Plain. The best time to travel to Rudina, Croatia, is from June to September, with average air temperatures around 75°F (24°C) and water temperatures about 73°F (23°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!