Chancay, Peru offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Chancay is known for the Castillo de Chancay, a historic castle and popular tourist attraction. The best time to travel to Chancay, Peru, is from December to March, with average air temperatures around 24°C (75°F) and water temperatures near 21°C (70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!