Aswan has a hot desert climate (Köppen climate classification "BWh") like the rest of Egypt. Aswan and Luxor have the hottest summer days of any city in Egypt. Aswan is one of the hottest, sunniest and driest cities in the world. Average high temperatures are consistently above during summer (June, July, August and also September) while average low temperatures remain above . Average high temperatures remain above during the coldest month of the year while average low temperatures remain above . Summers are very prolonged and extremely hot with blazing sunshine although desert heat is dry. Winters are brief and pleasantly mild, though nights may be cool at times.