Ovar, Portugal offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Ovar is known for its beautiful beaches and vibrant carnival celebrations. The best time to travel to Ovar, Portugal, is from 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 sea temperature is between 17°C and 20°C (63°F to 68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!