Koropi, Greece offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Koropi, Thessaly, Greece, is known for its proximity to the scenic Mount Pelion and the beautiful beaches of the Pagasetic Gulf. The best time to travel to Koropi, Greece, is from May to September, with average air temperatures ranging from 75°F to 90°F and water temperatures from 70°F to 80°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!