Baie Trinite, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Baie Trinite is known for the Manicouagan Reservoir and the nearby Manic-5 Dam. The best time to travel to Baie Trinite, Canada, is from June to August, when the average air temperature is around 15-20°C (59-68°F) and the water temperature is approximately 10-15°C (50-59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!