Glace Bay, Canada offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Glace Bay is known for the Cape Breton Miners' Museum and the Marconi National Historic Site. The best time to travel to Glace Bay, Canada, is from June to September, when the average air temperature ranges from 15°C to 20°C (59°F to 68°F) and the water temperature is around 12°C to 15°C (54°F to 59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!