Parshall Segment, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Parshall Segment, North Dakota, United States, is known for the Fort Berthold Indian Reservation and Lake Sakakawea. The best time to travel to Parshall Segment, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F and water temperature is approximately 60-70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!