The strongest cold wave time in Shanghai

December 15-17, 2023. According to inquiries from the China Meteorological Administration, the average urban temperature in mid-December 2023 was below 10 degrees, a new low since the beginning of winter. Cold wave refers to cold air from high latitudes, which rapidly intensifies under specific weather conditions and invades mid- to low-latitude areas, causing severe cooling, strong winds, rain and snow in areas along the way. Cold wave is a large-scale weather process that occurs in It can occur all over the country and can cause frost, freezing damage and other natural disasters.