Comporta, Portugal offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Dongara, Western Australia, Australia, is known for its beautiful beaches and historic buildings. The best time to travel to Comporta, Portugal, is from late spring to early fall (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 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!