Stari Grad, Croatia offers 18 beaches perfect for sunbathing, surfing, swimming, and more. Zadar is known for the Sea Organ and the Greeting to the Sun. The best time to travel to Stari Grad, Croatia, is from June to September, when the average air temperature is around 75°F (24°C) and the sea temperature is approximately 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!