Chilca, Peru offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Chilca is known for its therapeutic mud baths and UFO sightings. The best time to travel to Chilca, Peru, is from December to March, with average air temperatures around 75°F (24°C) and water temperatures near 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!