Neiva, Portugal offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dutton Dunwich is known for its scenic rural landscapes and proximity to Lake Erie, offering outdoor recreational activities. The best time to travel to Neiva, Portugal, is during late spring to early autumn (May to September), when the average air temperature ranges from 18°C to 28°C (64°F to 82°F) and the average water temperature is around 18°C to 22°C (64°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!