Calais, France offers 1 beach perfect for sunbathing, surfing, swimming, and more. Calais is known for the Calais Lace, the Calais Lighthouse, and the Musee des Beaux-Arts et de la Dentelle. The best time to travel to Calais, France, is from June to September, with average air temperatures around 60-70°F (15-21°C) and water temperatures around 60-64°F (16-18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!