Plyazh, Russia offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Saint Petersburg is known for the Hermitage Museum, the Winter Palace, and the Mariinsky Theatre. The best time to travel to Plyazh, 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!