Monte Hermoso, Argentina offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Monte Hermoso is known for its unique feature of having both sunrise and sunset views over the ocean due to its geographical orientation. The best time to travel to Monte Hermoso, Argentina, is from December to February, with average air temperatures around 25°C (77°F) and water temperatures near 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!