When does the solar term start, and the temperature is getting lower and lower, so low that it can snow?

The heavy snow solar term does not mean that it will snow that day, but that the weather will get cold during this period, and the possibility of snowfall is greater than that of the light snow in the previous solar term. It is the third solar term in winter, and the second1solar term in the traditional 24 solar terms marks the official start of mid-winter. In the north, it began to snow during the solar term in beginning of winter.

During the first frost solar term, Heilongjiang began to enter the cold weather below zero, while in early winter, the weather below zero has appeared in most parts of the north. When the temperature reaches 0 degrees, the rainfall may drop in the form of snowfall, so it will begin to snow in the north in early winter.