Lake Ladoga, Russia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Lake Ladoga, Republic of Karelia, Russia, is known for the Valaam Monastery and the Kizhi Pogost. The best time to travel to Lake Ladoga, Russia, is during the summer months of June to August, when the average air temperature is around 60-70°F (15-21°C) and the water temperature is approximately 60°F (16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!