Comillas, Spain offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Comillas is known for the architectural masterpiece El Capricho by Antoni Gaudi. The best time to travel to Comillas, Spain, is from June to September, with average air temperatures around 70-75°F (21-24°C) and sea temperatures around 66-72°F (19-22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!