Balfour, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Balfour is known for Kootenay Lake Ferry, which is the longest free ferry ride in the world. The best time to travel to Balfour, Canada, is during the summer months of June to August, when the average air temperature is around 20°C (68°F) and the water temperature in nearby Kootenay Lake is approximately 17°C (63°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!