San Jose de Mayo, Uruguay offers 2 beaches perfect for sunbathing, surfing, swimming, and more. San Jose de Mayo is known for the Teatro Maccio and the Cathedral Basilica of San Jose. The best time to travel to San Jose de Mayo, Uruguay, is from November to March, 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!