What climate does Shandong belong to?
Shandong province has four distinct seasons. In spring, the climate is changeable, the southwest wind is strong, the ground temperature rises quickly, the evaporation is large, the precipitation is small, and droughts are frequent; Summer is hot and humid, precipitation is concentrated, and sometimes there is heavy rain and hail weather; There is little rain in autumn, and the air is crisp in autumn. In some years, the autumn rain is continuous: in winter, there is little rain and snow, which is northerly and cold and dry.
The regional difference of temperature in Shandong Province is greater from east to west than from north to south. The frost-free period of the whole year increases from the northeast coast to the southwest, with 180 days in northern Shandong and Jiaodong and 220 days in southwestern Shandong.
Shandong province is rich in light resources, with an average annual light hours of 2,290-2,890 hours, and the heat condition can meet the needs of double cropping of crops a year. The average annual precipitation is generally between 550-950 mm, decreasing from southeast to northwest. The seasonal distribution of precipitation is very uneven. 60%-70% of the annual precipitation is concentrated in summer, and it is prone to waterlogging and drought in winter, spring and late autumn, which has the greatest impact on agricultural production.