What's the date of 202 1 summer heat? What's the date of 202 1 summer heat?

2. Lunar calendar date: Wednesday, May 28th (big).

3. Start time: July 7, 20265438 +0, 05: 05.

4. End time: 2021July 22nd at 22: 26.

5, the characteristics of summer weather: Shi Yun "steaming in the sky, steaming in the wind and rain, occasional thunderstorms and half rainbow. There is always a lotus pond with the same color and taste. " (Heshui Zuo) The average temperature in southern China is generally around 33℃ in the light summer season; In the low-altitude valley area of southeastern South China, the average daily temperature in mid-July is higher than 30℃, and the maximum daily temperature is higher than 35℃. In the northern part of the northwest plateau, frost and snow can still be seen at this time, which is equivalent to the scene of early spring in South China.

6. Since the beginning of the summer, the plum rains in the Jianghuai basin have ended one after another, and the southeast monsoon rainy season from the Pacific Ocean has started in the vast areas north of the Huaihe River and east of the Qinling Mountains, with a significant increase in precipitation and relatively concentrated rainfall; South China, Southwest China and Qinghai-Tibet Plateau are also in the southwest monsoon rainy season from the Indian Ocean and the South China Sea. The middle and lower reaches of the Yangtze River are generally hot and rainy under the control of subtropical high. In some years, the cold air force in the north is still strong before and after the slight summer heat, and it is evenly matched with the warm air in the south in the middle and lower reaches of the Yangtze River, leading to frontal thunderstorms. Thundershowers in summer are often the weather information of "yellow plum falling", which indicates that the rain belt will stay in the middle and lower reaches of the Yangtze River for some time.

7. Around the summer heat, most of southern China entered the season with the most thunderstorms. Thunderstorm is a disastrous weather phenomenon, often accompanied by strong winds, heavy rain and sometimes hail, which is easy to cause disasters. In the eastern part of South China, because it is often controlled by subtropical high, it is often sunny and hot, and after experiencing a slight summer heat, it begins to enter the summer drought period. Climatic characteristics of drought in the east and waterlogging in the west in most parts of southern China.