Chapadmalal, Argentina offers 12 beaches perfect for sunbathing, surfing, swimming, and more. Chapadmalal, Buenos Aires, Argentina, is known for its Chapadmalal Beach Resort and the historic Chapadmalal Presidential Residence. The best time to travel to Chapadmalal, Argentina, is from December to February, 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!