Why does it rain in Tomb-Sweeping Day? ? Scientific explanation doesn't make sense! Eggs hurt. The relevant departments come out!

Tomb-Sweeping Day is one of the 24 solar terms. Before and after Tomb-Sweeping Day, the climate was generally humid and suitable for planting. Most people celebrate this day.

Sowing plants or going for an outing in the wild has gradually become the custom of sweeping graves.

Whether it rains or not depends on the atmospheric circulation. For example, in the past 10 years, it hasn't rained in Tomb-Sweeping Day for six years.

During Tomb-Sweeping Day, there is a great possibility of rain in the south of the Yangtze River. Before and after Tomb-Sweeping Day, the warm and humid air in the southeast ocean became active and merged with the cold air in the north and south, and it often rained. Moreover, due to the frequent confrontation between cold and warm air over the south of the Yangtze River this season, it is often drizzling. Wuhan is located in the center of Jiangnan and the north of the Yangtze River. Tomb-Sweeping Day is affected by rainfall in the south, and the weather is uncertain. The probability of rain in sunny days is almost 50/50.