Arachania, Uruguay offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Arachania is known for its beautiful beaches and proximity to the Santa Teresa National Park. The best time to travel to Arachania, Uruguay, is from December to February, with average air temperatures around 75°F (24°C) and water temperatures near 72°F (22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!