Why does it rain in Tomb-Sweeping Day?

Qingming is an important solar term in the China lunar calendar. It means that the weather is in the cold winter. Spring has come, and cold air from the north covers the south of China in winter. The cold air is very dry and there is little rain. When spring comes, warm air from the ocean becomes active, warm air and cold air.

gather

, it will form rainy air. Before and after the Qingming Festival, it happened that both cold air and warm air were in the south.

When we met.

So it often rains.

Besides, in the spring in the south of the Yangtze River,

be lax

Very many. The clouds in the low pressure move fast, the wind is strong and the rain is urgent. Whenever the low pressure passes, there will be rainy weather. Also, before and after Tomb-Sweeping Day, there was a lot of water vapor in the atmosphere in the south of the Yangtze River, which was easy to condense at night.

drizzle

As a result, it rained a lot in Tomb-Sweeping Day.

In fact,

Early April

Not only does it rain much, but also the weather is changeable. It is often at noon, and it is still sunny, which makes people feel that "the warm wind makes tourists drunk". But at night, the cold air suddenly went south, making people feel as cold as if they were back in winter. Therefore, there is a saying that "you must bring three seasons clothes when you go out in spring", which makes the most appropriate metaphor for the changeable weather in spring. In fact, it is really necessary to travel.