Otter Lake, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Otter Lake, Quebec, Canada, is known for its proximity to the scenic Pontiac region and the beautiful Otter Lake itself, which offers opportunities for outdoor activities like fishing and boating. The best time to travel to Otter Lake, Canada, is during the summer months of June to August, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!