Which month is the wettest?

The maximum rainfall period generally starts from February 18 to 20, and ends on March 4 or 5. During the rainy season, the direct point of the sun is gradually approaching the equator from the southern hemisphere. At this time, the sunshine hours and intensity in the northern hemisphere are increasing, and the temperature is rising rapidly. Warm and humid air from the ocean becomes active and gradually pushes northward, and the rainfall gradually increases, but the rainfall level is mainly light rain or Mao Mao rain.

The rain solar term not only indicates the beginning and increase of rainfall, but also indicates the rise of temperature. After the rain, the temperature in most parts of China rose to above 0℃, the daily average temperature in Huanghuai Plain reached about 3℃, the average temperature in Jiangnan was about 5℃, the temperature in South China was above 10℃, and the average temperature in North China was still below 0℃.

Extended data:

The rainy season is changeable, which is one of the seasons with the most cold wave processes in the whole year. This kind of hot and cold weather is very harmful to the growth of crops, forests and fruits that have sprouted and turned green and people's health. While paying attention to the cold and antifreeze work of crops, greenhouse vegetables and industrial and commercial departments, we should still pay attention to personal hygiene and health care to prevent the occurrence of epidemic diseases such as colds in late winter and early spring.

According to the rain and snow, some weather proverbs about rain predict the future weather. It's cloudy with rain, cloudy to Grain Rain. Some people predict the later weather according to the cold and warm weather, such as cold rain, warm shock, warm rain and cold shock. Some people also predict the weather in the later period according to the wind, such as "rain comes from the east, and it will rain in the dog days" and so on.

References:

Baidu encyclopedia-rain