How long is the winter in the north?

Winter in the north generally refers to 1 February,1month and February every year. These three months are the main time of winter in the north and the lowest temperature. But the specific length of time will vary from region to region. For example, the winter in Northeast China may be longer than that in North China, while the winter in Northwest China may be dry and windy and relatively short. Generally speaking, the winter in the north can last for 3-5 months.