Sveti Petar, Cres, Croatia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Cres is known for its stunning Cres Island, the historic town of Cres, and the nearby Blue Cave. The best time to travel to Sveti Petar, Cres, 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!