Missisipi, Chile offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Missisipi, Los Rios, Chile, is known for the Valdivian Coastal Reserve and the nearby Corral Bay. The best time to travel to Mississippi, Chile, is during the summer months of December to February, when the average air temperature is around 75°F (24°C) and the 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!