What are the climatic characteristics of Shandong Province?

Shandong province belongs to the warm temperate semi-humid monsoon climate zone, with mild climate, concentrated rainfall and distinct four seasons. The annual average temperature of the whole province 1 1- 14℃ decreases from south to north and from west to east. The annual average temperature in southwest Shandong is mostly above 13℃, Jinan and Zaozhuang are above 14℃, and Jiaodong Peninsula and Yellow River Delta are the lowest, mostly below 12℃ or even 1 1℃. 1 month, the average temperature in the whole province is-4-1℃; In July, the average temperature in the province was 24-27℃. Shandong has the longest winter, generally 140- 165 days; Followed by summer, 72- 108 days; Spring and autumn are short, 50-70 days. The average annual precipitation is 550-950 mm, and the frost-free period is more than 180 days in coastal areas and more than 220 days in inland areas. Southerly winds prevail in summer, which is hot and rainy; Winter is north, cold and dry; In spring, the weather is changeable, dry and rainy, and windy and dusty; It's sunny and cool in autumn, and the temperature is moderate. The climate difference in the whole province is greater from east to west than from north to south.