Negritos, Peru offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Negritos, Piura, Peru, is known for the Negritos Lighthouse, one of the oldest lighthouses in South America. The best time to travel to Negritos, Peru, is from December to March, with average air temperatures around 80°F (27°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!