Hualmay, Peru offers 1 beach perfect for sunbathing, surfing, swimming, and more. Hualmay is known for its proximity to the archaeological site of Caral, one of the oldest civilizations in the Americas. The best time to travel to Hualmay, 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!