Which month does the Northeast Expressway not freeze in winter?

The freezing speed in northeast China is very fast in winter. The winter road icing in Northeast China occurs from June 165438+ 10 to April of the following year, including the whole winter. From mid-late June 10 to April of the following year, subject to the local weather forecast. The three northeastern provinces have a very typical temperate continental monsoon climate, and the winter lasts for a long time every year, reaching four to five months.