Calonge, Spain offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Calonge is known for its medieval castle and the beautiful beaches of Sant Antoni de Calonge. The best time to travel to Calonge, Spain, is from June to September, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 73°F (23°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!