Dederkoy, Russia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dederkoy is known for its proximity to the Black Sea and the scenic Dederkoy Waterfall. The best time to travel to Dederkoy, Russia, is in July, when the average air temperature is around 24°C (75°F) and the average 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!