How many degrees can it reach in winter?

The winter temperature in the urban area of Heilongjiang Province is generally around-0/5 to-30 degrees, and the winter temperature in the northern part of Daxing 'anling can reach-40 degrees. In the coldest season in Shanghai, the average temperature is 3 ~ 5℃ every ten days, and the extreme minimum temperature in severe cold weather is lower than-10℃. There is no winter in the strict sense all year round in Hainan, and it is coldest from/kloc-0 to February, with an average temperature of 1 6-24 degrees Celsius. I want to know where you are.