Old Toronto, Canada offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Old Toronto is known for the CN Tower, Royal Ontario Museum, and St. Lawrence Market. The best time to travel to Old Toronto, Canada, is from late May to early October, with average air temperatures ranging from 60°F to 75°F and Lake Ontario water temperatures around 55°F to 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!