1. The meaning of the rainy season is the beginning of rainfall, and the rainfall level is mostly in the form of light rain or drizzle.

2. Rainwater, the 2nd of the 24 solar terms. Doo refers to non; the sun reaches 330 ° yellow longitude; annual calendar February 18-20 cross section. The meaning of the rainy season is the beginning of rainfall, rainfall levels are mostly light rain or drizzle. As the saying goes, "spring rain is as expensive as oil", suitable precipitation is very important for the growth of crops, it is the farming culture for the seasonal reflection. Into the rainy season, China's northern regions have not yet spring weather, most places in the south is full of spring, a picture of early spring.

3, the rainy season period generally from the calendar February 18 to 20, to March 4 or 5 end. Rainy season, the sun's point of direct sunlight from the southern hemisphere gradually to the equator close to the northern hemisphere at this time, the number of hours of sunshine and the intensity of sunshine are increasing, the temperature rebound faster, from the ocean's warm and humid air began to be active, and gradually to the north to meet with the cold air, the formation of rainfall. During the rainy season, the weather is unpredictable, and it is one of the times of the year when the cold wave process occurs the most, cold and hot, warm and cold at first.

4, the ancient rain is divided into three waiting: "a wait otter sacrificed fish; two wait Hongyan come; three wait grass sprouting." Rain is in the number of nine "seven nine", the river breaks the ice, geese north return. Rain-related folklore is mainly "make up the sky wear", "La Baobao", "hit the worship send" and so on.