Los Delfines, Peru offers 1 beach perfect for sunbathing, surfing, swimming, and more. Los Delfines, Tumbes, Peru, is known for its proximity to the Cerros de Amotape National Park and the Tumbes Mangroves National Sanctuary. The best time to travel to Los Delfines, Peru, is from December to March, with average air temperatures around 80°F (27°C) and water temperatures near 75°F (24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!