Paso de la Arena, Uruguay offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Paso de la Arena is not particularly known for travel and beach tourism. The best time to travel to Paso de la Arena, 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!