Wasaga Beach, Canada offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Wasaga Beach is known for Wasaga Beach Provincial Park, the world's longest freshwater beach. The best time to travel to Wasaga Beach, Canada, is from June to August, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 20°C (68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!