Saint Polycarpe, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Saint Polycarpe is known for its proximity to the Soulanges Canal and the scenic cycling routes in the Montérégie region. The best time to travel to Saint Polycarpe, Canada, is during the summer months of June to August, when the average air temperature is around 20-25°C (68-77°F) and water temperatures in nearby lakes are 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!