Osor, Croatia offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Osor, Primorje Gorski Kotar, Croatia, is known for the Osor Musical Evenings and its ancient Roman and early Christian archaeological sites. The best time to travel to Osor, Croatia, is from June to September, with average air temperatures ranging from 75°F to 85°F and water temperatures around 72°F to 77°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
