When does the sunshine increase and gradually heat up, and thunderstorms increase?

After the long summer, the sunshine increased, gradually warming, and thunderstorms increased. Long summer is an important solar term, marking the peak season for the growth of all things. In the long summer, everything is thriving.

According to the meteorological experts in this city, Long Summer is the seventh solar term among the 24 solar terms, bidding farewell to spring and being the first solar term in summer. May 5-7 every year is an important solar term that marks the peak season of all things. After the long summer, the sunshine increases, the temperature rises gradually, the thunderstorm increases, and the crops enter a vigorous growth stage. Spring comes and summer grows, autumn harvests and winter storage, and in the long summer, everything is thriving. Because China has a vast territory and a large span from north to south, natural rhythms vary from place to place.

There are three main standards for the division of summer in China: the first is astronomical standard, which takes "long summer" as the beginning of summer, which is relatively old; The second standard is meteorological standard, which is mainly divided by time, and June to August is summer; The third is the climatological standard. When the average temperature rises to 22℃ for five consecutive days, summer begins. According to this standard, all parts of our city will have entered summer around April 10 this year.