Kalispell, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kalispell is known for its proximity to Glacier National Park and Flathead Lake. The best time to travel to Kalispell, United States, is during the summer months of June to August, when the average air temperature is around 75°F (24°C) and water temperature in nearby lakes is approximately 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!