Bonners Ferry, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Bonners Ferry is known for the Kootenai National Wildlife Refuge and the Moyie River. The best time to travel to Bonners Ferry is in July, when the average air temperature is around 80°F (27°C) and the Kootenai River water temperature 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!