Sitia, Greece offers 19 beaches perfect for sunbathing, surfing, swimming, and more. Sitia, Crete, Greece, is known for the Vai Palm Forest and the Toplou Monastery. The best time to travel to Sitia, Greece, is from May to October, with average air temperatures ranging from 70°F to 85°F and water temperatures from 70°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!