Ladozhskoe Ozero, Russia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Ladozhskoe Ozero, Leningrad, Russia, is known for Lake Ladoga, the largest freshwater lake in Europe, and its historical significance during World War II. The best time to travel to Ladozhskoe Ozero, Russia, is during the summer months of June to August, when the average air temperature is around 15-20°C (59-68°F) and the water temperature is approximately 15-18°C (59-64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!