Katakolo, Greece offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Katakolo is known for being the gateway to the ancient site of Olympia, where the original Olympic Games were held. The best time to travel to Katakolo, Greece, is from May to October, with average air temperatures ranging from 70°F to 85°F and water temperatures from 68°F to 77°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!