Alfarillo, Peru offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Tacna is known for its historical significance, including the Arco Parabolico and the Museo Ferroviario. The best time to travel to Alfarillo, Peru, is from May to September, with average air temperatures around 70°F (21°C) and water temperatures near 66°F (19°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!