Pajas Blancas, Uruguay offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Pajas Blancas, Montevideo, Uruguay, is known for its scenic beaches and proximity to the Carrasco International Airport. The best time to travel to Pajas Blancas, 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!