Shandong belongs to warm temperate zone monsoon climate with concentrated rainfall, short spring and autumn period, and a long time of summer and winter. Regional temperature differences in north and south of Shandong province appear greatly. The annual frost-free period decreases from coastal northeast to southwest, with 180 days in north and earth of Shangong and 220 days in its southwest.
Shandong province enjoys sufficient sunshine, with an average of 2,290 to 2,890 hours a year. Heat conditions here can meet the need of crops growing. Seasonal precipitation of Shandong distributes unevenly, with 60% - 70% concentrated rainfall in the summer, which is easy to cause water logging. Its winter, spring and late autumn are prone to drought, which is the biggest effect on agricultural production.