When will the rainy days begin in 2020?

In 2020, rainy days began in late June.

Meiyu refers to a period of continuous rainy weather in the middle and lower reaches of the Yangtze River in China from mid-June to mid-July every year. At this time, the utensils are easily mildewed, so they are also called "mildew rain", and when the plums in the south of the Yangtze River are yellow, they are also called "plum rain" or "Huang Meiyu".

Weather characteristics in meiyu period;

Continuous rain, high temperature and high humidity. After the Meiyu ended, the rain belt moved to North China, and the Jianghuai basin entered high temperature and little rain.

The time that the rain belt stays is called "Meiyu season", the day when the rainy season begins is called "entering the plum blossom", and the day when it ends is called "emerging the plum blossom".

Plum blossom standard in rainy season:

In June and July, on the 500mb map of the northern hemisphere, the ridge line of the western Pacific subtropical high 125- 140E was located at 23-24 N in the south of Zhejiang and 24-25 C in the north of Zhejiang, and remained stable for 5 days or more.