Dudswell, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dudswell, Quebec, Canada, is known for the picturesque Lake Miroir and the historic Saint-Clotilde-de-Horton Church. The best time to travel to Dudswell, Canada, is during the summer months of June to August, when the average air temperature is around 68°F (20°C) and water temperature 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!