San Cibran, Spain offers 4 beaches perfect for sunbathing, surfing, swimming, and more. San Cibran, Galicia, Spain, is known for the Castro de San Cibrao de Las, an ancient Celtic hill fort. The best time to travel to San Cibran, Spain, is from June to September, with average air temperatures around 70-80°F (21-27°C) and water temperatures around 66-72°F (19-22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!