How many days have passed since the summer heat? Did it cool down after the heat?

It doesn't get cold immediately after the heat, but it usually takes 30-60 days before the weather gradually turns cold. Beginning of autumn began to enter the solar term on15th day after long summer, and 30 days after long summer. After the hot summer solar term, we completely bid farewell to the summer of that year. At this time, the temperature begins to cool, and then the climate will slowly change from cool to cold, and it will be winter in a while.

The summer solar term is the hottest time of the year, just before and after the "midsection" of the "dog days". Climatic characteristics of summer: high temperature and scorching heat, frequent thunderstorms and typhoons. Generally speaking, the summer solar term is the period with the most sunshine and the highest temperature in South China, the period with abundant rain, the most common thunderstorm and the most concentrated days of high temperature above 30℃ in the west of South China, and the period with the most frequent occurrence of high temperature above 35℃ in the east of South China.

There are some sayings in the south of the Yangtze River, such as "Summer rain is as light as silver and as heavy as gold", "When it rains, it hoards Ridomi", "When it rains, it is rich in grain and cotton", and "If you don't fight drought, you will get a load for an acre". In this hot season, raindrops are like gold. In the northern inland areas, summer is dry and hot, which is the highest temperature period in a year; The annual precipitation is mostly 400-800 mm, and the precipitation is concentrated in July and August. Since the summer solar term, the northern part of China has entered the period with the most rain in the whole year.

Extended data

Since ancient times, people have the custom of drinking tea in the dog days of summer. Tea in dog days, as the name implies, is tea in dog days. This kind of tea, which is made of more than ten kinds of Chinese herbal medicines such as honeysuckle, selfheal and licorice, has the function of cooling and relieving summer heat.

On the Great Summer Festival, Putian people have the custom of eating litchi, mutton and rice grains, which is called "over the Great Summer". In summer, relatives and friends often give litchi and mutton as gifts.

Many places in Guangdong have the custom of "eating fairy grass" in summer. Cao Xian, also known as Xiancao and Cao Xian, is an important medicinal and edible plant resource. It is known as "Cao Xian" because of its magical effect of relieving summer heat. After the stems and leaves are dried in the sun, they can be made into fairy grass, which is called bean jelly in Guangdong and is a summer dessert.

Baidu Encyclopedia-Great Summer (one of the 24 solar terms)