Bernal, Argentina offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Bernal, Buenos Aires, Argentina, is known for its proximity to the Quilmes Brewery, one of the most famous breweries in Argentina. The best time to travel to Bernal, Argentina, is during the spring months of September to November, when the average air temperature is around 20°C (68°F) and water temperature is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!