San Bernardo, Argentina offers 9 beaches perfect for sunbathing, surfing, swimming, and more. San Bernardo is known for its vibrant beach scene and the popular Avenida San Bernardo, a bustling area with shops and entertainment. The best time to travel to San Bernardo, Argentina, is during the summer months of December to February, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 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!