Ericeira, Portugal offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Ericeira is known for its world-class surfing beaches and charming coastal atmosphere. The best time to travel to Ericeira, Portugal, is from May to September, when the average air temperature ranges from 20°C to 28°C (68°F to 82°F) and the average sea temperature is between 18°C and 21°C (64°F to 70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!