Onega, Russia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Onega, Arkhangelsk, Russia, is known for its proximity to the Onega Pomor village and the Onega River, which offer unique cultural and natural experiences. The best time to travel to Onega, 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 10-15°C (50-59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!