Friestas, Portugal offers 1 beach perfect for sunbathing, surfing, swimming, and more. Friestas is known for its proximity to the scenic Lima River and the historic city of Viana do Castelo. The best time to travel to Friestas, Portugal, is in late spring or early fall when the average air temperature is around 70°F (21°C) and the water temperature is approximately 64°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!