Rudine, Croatia offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Rudine, Primorje Gorski Kotar, Croatia, is known for its proximity to the Risnjak National Park. The best time to travel to Rudine, 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!