Goian, Spain offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Goian, Galicia, Spain, is known for its proximity to the scenic Miño River and the historic Tui Cathedral. The best time to travel to Goian, Spain, is from May to September, with average air temperatures ranging from 68°F to 82°F and water temperatures around 66°F to 72°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!