Okrug Donji, Croatia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Okrug Donji is known for its proximity to the UNESCO World Heritage Site of Trogir and the beautiful beaches of the Dalmatian coast. The best time to travel to Okrug Donji, Croatia, is from June to September, when the average air temperature is around 75°F (24°C) and the sea temperature is approximately 77°F (25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!