Jezera, Croatia offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Jezera, Sibenik Knin, Croatia, is known for its proximity to the Kornati National Park and the Murter Island's beautiful beaches. The best time to travel to Jezera, Croatia, is from June to September, when the average air temperature is around 25°C (77°F) and the sea temperature is approximately 24°C (75°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!