Sainte Seraphine, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sainte Seraphine is known for its picturesque landscapes and serene beachside retreats. The best time to travel to Sainte Seraphine, Canada, is during the summer months of June to August, when the average air temperature is around 70°F (21°C) and water temperature is approximately 68°F (20°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!