Chafe, Portugal offers 1 beach perfect for sunbathing, surfing, swimming, and more. Viana do Castelo is known for the Basilica of Santa Luzia and the Gil Eannes ship museum. The best time to travel to Chafe, Portugal, is from June to September, with average air temperatures around 70-80°F (21-27°C) and water temperatures around 65-72°F (18-22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!