Quatro Ribeiras, Portugal offers 1 beach perfect for sunbathing, surfing, swimming, and more. Quatro Ribeiras, Azores, Portugal, is known for its picturesque natural pools and the Church of Nossa Senhora dos Milagres. The best time to travel to Quatro Ribeiras, Portugal, is from June to September, with average air temperatures around 70-80°F (21-27°C) and water temperatures around 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!