Alcoutim, Portugal offers 1 beach perfect for sunbathing, surfing, swimming, and more. Alcoutim is known for its picturesque riverfront setting and tranquil beaches along the Guadiana River. The best time to travel to Alcoutim, Portugal, is during the spring (April to June) or fall (September to October) when the average air temperature ranges from 20°C to 28°C (68°F to 82°F) and the 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!