There is obvious rainfall in the later period of May Day holiday. The temperature in most parts of the country will still be low.

Xinhua News Agency, May 1, according to the website of the Central Meteorological Observatory, from May 2, there will be moderate to heavy rain in Jianghuai, Jianghan, the northern part of the Yangtze River, and Huang-Huai, with torrential rain in some areas and local torrential rain accompanied by thunderstorms and strong winds. The accumulated rainfall in eastern Hubei, southeastern Henan and southern Anhui may approach or reach the historical extreme value. From May to 7th, the rain belt will gradually press southward to the south-central part of the Yangtze River to South China. In the next 10 days, the average temperature in most parts of the country will be 1 / 2 ℃ lower than that in the same period of the normal year, and the average temperature in some areas such as Xinjiang, Gansu and western Inner Mongolia will be lower by more than 3 ℃. The main influence period of cold air is from 3 to 6 days, and there will be sand and dust or blowing sand in the eastern part of Northwest China and the northern part of North China.