Cardalito, Peru offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Cardalito, Tumbes, Peru, is known for the Tumbes Mangroves National Sanctuary. The best time to travel to Cardalito, Peru, is from May to September, with average air temperatures around 70°F (21°C) and water temperatures near 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!