Oliva, Spain offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Oliva is known for its beautiful beaches and historic old town. The best time to travel to Oliva, Spain, is from May to September, with average air temperatures ranging from 70°F to 85°F and water temperatures from 68°F to 77°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!