Siukterka, Russia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Siukterka, Chuvashia Republic, Russia, is known for the Siukterka Historical and Cultural Museum. The best time to travel to Siukterka, Russia, is during the summer months of June to August, when the average air temperature is around 60-70°F (15-21°C) and water temperature is approximately 55-65°F (13-18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!