Saturn, Romania offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Constanta, Constanta is known for the historic Casino Constanta and the ancient Roman mosaic. The best time to travel to Saturn, Romania, is during the summer months of June to August, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!