Which of the 24 solar terms is the hottest and the coldest?

Summer is the hottest solar term in a year. Summer refers to C, and the longitude of the sun is 120 degrees. Before and after the duty, the high temperature weather of 40℃ often appears in many places in the Yangtze River Basin. Do a good job in heatstroke prevention and cooling. There is a lot of rain in this solar term, so we should pay attention to the flood control and waterlogging prevention in the proverb "little summer heat, big summer heat, drowning rats"

In late autumn, the weather turns cold, and the temperature difference between day and night at noon is warmer. The weather around beginning of winter is obviously dry and cold, and the winter solstice represents the shortest day when winter comes. Start counting "nine" at the same time, and every nine days is regarded as a "nine". According to the old man, it's like this: 1929, no shooting, walking on the ice in 3949, watching willows along the river in 5969, opening geese in 79, and adding 19 in 99, plowing cattle everywhere. It can be seen that it was the coldest in 3949.