Saint Gabriel, Canada offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Saint Gabriel is known for Lake Maskinonge, which offers recreational activities and scenic beauty. The best time to travel to Saint Gabriel, 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!