Rincon del Mar Rincon del Mar, Colombia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Rincon del Mar is known for its pristine beaches and vibrant Afro-Colombian culture. The best time to travel to Rincon del Mar, Colombia, is from December to March, with average air temperatures around 86°F (30°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!