Chumbur Kosa, Russia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Chumbur Kosa is known for its proximity to the Don River and the nearby Rostov-on-Don, which is a major cultural and economic hub in southern Russia. The best time to travel to Chumbur Kosa, Russia, is during the summer months of June to August, when the average air temperature is around 70°F (21°C) and the water temperature is approximately 68°F (20°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!