San Bernardino, Paraguay offers 2 beaches perfect for sunbathing, surfing, swimming, and more. San Bernardino is known for its scenic lake, Ypacaraí, and vibrant summer tourism. The best time to travel to San Bernardino, Paraguay, is from May to September, with average air temperatures around 20-25°C (68-77°F) and water temperatures approximately 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!