Francas, Spain offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Francas, Catalonia, Spain, is known for its beautiful beaches and Mediterranean climate. The best time to travel to Francas, Spain, is from June to September, with average air temperatures around 75°F (24°C) and water temperatures near 72°F (22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!