It keeps snowing in Tomb-Sweeping Day and frosting in Grain Rain.

"It snows continuously in Qingming, and it snows continuously in Grain Rain" means that Tomb-Sweeping Day has arrived. It will not snow these days, but there will often be a small amount of snow; There is basically no frost around Grain Rain, but there will be some frost.

It is a meteorological saying in Northeast China that "the snow keeps falling during Qingming Festival and the frost keeps falling during Grain Rain". It tells people that during the period before and after Tomb-Sweeping Day, the temperature difference between day and night is very large, and the temperature fluctuates obviously back and forth, so there is often sudden snowfall at this time, which does great harm to crops.

When planting vegetables in rural Grain Rain, cover the seedlings that have just come out of the soil with grass at night to prevent the crops from being frozen by sudden frost at night.

Extended data

Reasons for "Qingming Snow Rest, Grain Rain Frost Rest":

There are two solar terms in April in the solar calendar: one is Qingming, around April 5, and the other is Grain Rain, around April 20. During the Qingming period, the Yellow River Basin has a warm climate, vigorous vegetation growth, fresh air and beautiful spring, so this solar term is named Qingming.

However, due to its geographical location in the northeast, it is farther north than the Yellow River Basin, so there is no strong sense of spring. Vegetation has just begun to sprout, and Shan Ye has just shown the feeling of spring. Snow can still be seen at this time. For example, Jianping County, Liaoning Province recorded snowfall on May 30th. Therefore, there is a saying in the northeast proverb that "it rains in succession during the Qingming Festival".

"Grain Rain" refers to the obvious increase of rain, which is the time to sow grain. Due to the cold air activity in Northeast China, the frost cannot be broken at this time. For example, on June 2nd, Caohekou 1957 in Benxi, Liaoning Province also saw frost. Therefore, there is a saying in the northeast proverb that "the frost never stops in Grain Rain".