Cunski, Croatia offers 14 beaches perfect for sunbathing, surfing, swimming, and more. Cunski, Primorje Gorski Kotar, Croatia, is known for its proximity to the scenic beaches and natural beauty of the island of Losinj. The best time to travel to Cunski, 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!