Kettle Falls, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Kettle Falls is known for the Kettle Falls Historical Center and its proximity to Lake Roosevelt National Recreation Area. The best time to travel to Kettle Falls, United States, is during the summer months of June to August, when the average air temperature is around 70-85°F (21-29°C) and the water temperature in nearby lakes is approximately 65-75°F (18-24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!