Will the tall buildings in Hengyang be very cold in winter without balconies?

There is no balcony at the top of Hengyang, and it won't be very cold in winter. Because Hengyang is located in the south of Hunan and belongs to southern Hunan. Due to the geographical location, the local climate is hot all the year round. Coupled with global warming in recent years, the four seasons in Hengyang are not clear, so the winter in Hengyang is warm most of the time, and the average temperature in winter is 6℃~ 13℃. Hengyang is a prefecture-level city and sub-central city under the jurisdiction of Hunan Province, which is located in the south of China and the south-central part of Hunan Province. It is an important member of the urban agglomeration in the middle reaches of the Yangtze River and the political, economic, military and cultural center of southern Hunan. Hengyang City, which straddles Xiangjiang River, is one of the important transportation hubs in Hunan Province and Central South China, where many important highways and railway trunk lines meet. Hengyang is located in the concave axis zone of south-central China, which constitutes a typical basin situation and belongs to subtropical monsoon climate. Hengyang governs 5 districts, 5 counties and 2 county-level cities, with a total area of 153 10 square kilometers. According to the data of the seventh census, the permanent population of Hengyang is 6,645,243.