Conil de la Frontera, Spain offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Conil de la Frontera is known for its beautiful beaches like Playa de la Fontanilla and its charming old town. The best time to travel to Conil de la Frontera, Spain, is from May to September, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 20°C (68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!