Don Diego, Colombia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Don Diego is known for the Tayrona National Natural Park and the Sierra Nevada de Santa Marta. The best time to travel to Don Diego, 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!