Cold. Official website of Nanjing University of Posts and Telecommunications shows that there is no heating in the dormitory. Although the temperature in Nanjing is not as low as that in the north, it is often MINUS 5-6 degrees in winter, and the air humidity is high, so the dormitory is very cold in winter. Nanjing University of Posts and Telecommunications is a national "double-first-class" construction university, and a class A construction university of Jiangsu Province's high-level university summit plan.