Yellowknife, Canada offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Yellowknife is known for its spectacular views of the Northern Lights and its proximity to Great Slave Lake. The best time to travel to Yellowknife, Canada, is from June to August, when the average air temperature is around 15-20°C (59-68°F) and water temperatures in nearby lakes are approximately 10-15°C (50-59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!