Grad Skradin, Croatia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Grad Skradin, Sibenik Knin, Croatia, is known for Krka National Park and its stunning Skradinski Buk waterfall. The best time to visit Grad Skradin, Croatia, is from May to September, with average air temperatures around 70-85°F (21-29°C) and water temperatures ranging from 70-77°F (21-25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!