West Glacier, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. West Glacier is known for being the western gateway to Glacier National Park. The best time to travel to West Glacier, United States, is from June to September, with average air temperatures ranging from 50°F to 80°F and water temperatures around 60°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!