Bogoslof Island, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Bogoslof Island is known for the Bogoslof Volcano and its unique wildlife, including a large population of seabirds and marine mammals. The best time to visit Bogoslof Island, United States, is during the summer months of June to August, when the average air temperature is around 50°F (10°C) and the water temperature is approximately 45°F (7°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!