A Fianteira, Spain offers 3 beaches perfect for sunbathing, surfing, swimming, and more. A Fianteira is known for its beautiful beaches and scenic coastal landscapes. The best time to travel to A Fianteira, Spain, is during late spring to early summer (May to June), when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 18-20°C (64-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!