Is it cold indoors since winter?

It is very cold indoors in this area in winter.

Baidu map shows that mengzi city is located in the south of Yunnan Province, China, and belongs to the subtropical monsoon climate zone. Because of the geographical location and climate characteristics, it will be cold indoors in winter, especially without heating. In winter in Mengzi, the indoor temperature will be affected by the cold climate.

In case of cold weather, the indoor temperature will drop below 10 degrees. If the insulation effect is not good, the indoor temperature will be lower.