San Luis, Colombia offers 27 beaches perfect for sunbathing, surfing, swimming, and more. San Andres, Colombia, is known for its stunning coral reefs and the Johnny Cay Natural Regional Park. The best time to travel to San Luis, Colombia, is from December to March, with average air temperatures around 75°F (24°C) and water temperatures near 77°F (25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!