Negroes, Portugal offers 1 beach perfect for sunbathing, surfing, swimming, and more. Eagle Island is known for its pristine natural beauty and diverse marine life, attracting eco-tourists and nature enthusiasts. The best time to travel to Negros, Portugal, is during the late spring to early autumn months (May to September), when the average air temperature ranges from 20°C to 30°C (68°F to 86°F) and the water temperature is typically between 18°C and 24°C (64°F to 75°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!