Borok, Russia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Borok, Yaroslavl Oblast, Russia, is known for the Rybinsk Reservoir and the Borok Geophysical Observatory. The best time to travel to Borok, Russia, is during the summer months of June to August, when the average air temperature is around 20°C (68°F) and the water temperature in nearby bodies is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!