Black Sea, Crimea offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Republic Of Crimea, Crimea is known for the historic city of Sevastopol and the scenic landscapes of Yalta. The best time to travel to the Black Sea in Crimea is from June to September, with average air temperatures around 75°F (24°C) and water temperatures around 72°F (22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!