Shawmut, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Shawmut, Montana, United States, is known for its proximity to outdoor recreational activities and scenic landscapes. The best time to travel to Shawmut, United States, is in late spring or early fall when the average air temperature is around 60-70°F, and water temperatures in nearby lakes or rivers are typically cooler, around 50-60°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!