Bol shoi Utrish, Russia offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Bolshoi Utrish, Krasnodar Krai, Russia, is known for the Bolshoi Utrish Nature Reserve and its picturesque Black Sea coastline. The best time to travel to Bolshoi Utrish, Russia, is from June to August, when the average air temperature is around 25°C (77°F) and the water 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!