Metabetchouan Lac a la Croix, Canada offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Metabetchouan Lac a la Croix is known for its proximity to Lac Saint-Jean and the Velo Route des Bleuets. The best time to travel to Metabetchouan Lac a la Croix, Canada, is during the summer months of June to August, when the average air temperature is around 68°F (20°C) and the 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!