What season does Grain Rain belong to? What was the climate like in Grain Rain?

Grain Rain is the sixth solar term in the traditional twenty-four solar terms and the last solar term in spring. Every year from April 19 to April 2 1 day, when the sun reaches 30 degrees of the yellow meridian, it is Grain Rain, which comes from the old saying "Rain gives birth to a hundred valleys". It belongs to spring. The main feature of the weather in Grain Rain is rainy. After the solar term in Grain Rain, the rainfall increased and the humidity in the air gradually increased. At the same time, due to the warmer weather, people's outdoor activities have increased, and peach blossoms and apricot blossoms have opened in the northern region; Catkin and catkins fly everywhere. Rain has bred hundreds of valleys. With sufficient and timely rainfall, cereal crops can thrive. In Grain Rain season, the temperature in the south of China rises rapidly. Generally, the average temperature in late April has reached 20℃ to 22℃, which is more than 2℃ higher than that in mid-April, except for parts of northern and western South China. In the eastern part of South China, there is often a high temperature above 30 for a day or two, which makes people feel very hot. Low-altitude valley areas are used to enter summer.