Supetarska Draga, Croatia offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Supetarska Draga is known for its proximity to the beautiful beaches of Rab Island and the historic Church of St. Peter. The best time to travel to Supetarska Draga, Croatia, is from June to September, when the average air temperature is around 25°C (77°F) and the sea temperature is approximately 23°C (73°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!