Dagmar, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dagmar, Montana, United States, is known for its proximity to the Fort Union Trading Post National Historic Site. The best time to travel to Dagmar, United States, is during the summer months of June to August, when the average air temperature is around 70-85°F and water temperatures in nearby lakes are typically 65-75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
