Dilesi, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dilesi is known for its proximity to the archaeological site of Delphi and the beautiful beaches along the Euboean Gulf. The best time to travel to Dilesi, Greece, is from late May to early October, with average air temperatures ranging from 75°F to 85°F and water temperatures around 73°F to 79°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!