Vartholomio, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Vartholomio is known for its proximity to the ancient site of Olympia and the beautiful beaches of the Ionian Sea. The best time to travel to Vartholomio, Greece, is from May to September, with average air temperatures ranging from 25-30°C (77-86°F) and water temperatures around 22-26°C (72-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!