Greater Sudbury, Canada offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Greater Sudbury is known for Science North and the Big Nickel. The best time to travel to Greater Sudbury, Canada, is from June to August, when the average air temperature is around 68°F (20°C) and the water temperature in nearby lakes is approximately 64°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!