Shandong province has a mild climate, concentrated rainfall and four distinct seasons, belonging to a warm temperate monsoon climate. The south wind prevails in summer, which is hot and rainy, and the north wind prevails in winter, which is 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. 1. Temperature The annual average temperature in the whole province basically follows the distribution law of decreasing from southwest to northeast, but there is little difference between regions, and most of them are around 13℃. Jining, southern Heze, Jinan and Zaozhuang are all above 14℃, of which 14.7℃ in Jinan is the highest annual average temperature in the whole province. The average annual temperature in the hilly area of the peninsula is low, generally11.4 ~11.9℃; The peninsula area outside northern Shandong and hilly areas is basically between 12.0 ~ 12.9; In other areas, it is generally 13.0 ~ 13.9℃. From June+10 in 5438, the average temperature in all parts of the province was below 0℃, which was the lowest in the whole year. The temperature in northern Shandong and the inland Shandong Peninsula is the lowest, generally around -3℃. The eastern and southern coastal areas of the peninsula and southern Shandong are generally between-1.0 ~-0.2℃, which is a high-value area in the whole province; Most other areas are at -2.0 ~- 1.0℃. Solar radiation is the strongest in summer, and the temperature is the highest everywhere in summer. The temperature in the inland areas is the highest in July, and the eastern and southern coasts of the peninsula are affected by the maritime climate, and the temperature in August reaches the highest in the whole year. In August, the average temperature in all parts of the province was between 265438 0.5 ~ 27.5℃. The average temperature in southern Jinan, Zibo, Jining and Heze is above 27℃. The temperature in Weifang, Laiwu, Linyi and most parts of the west is between 26℃ and 27℃. The southeast coast of the peninsula is generally at 2 1.5 ~ 25.0℃, and most other areas are at 25 ~ 26℃. The average temperature in Jinan in July still ranks first in the province, at 27.5℃. 65438+ 10 to July, the temperature rises gradually. After August, the temperature dropped month by month. Except Chengshantou and Taishan Mountain, high temperature ≥35℃ can occur in all parts of the province. The number of high temperature days in the province decreases from west to east and from north to south. Northwest and southwest Shandong have the most days, mostly 10 ~ 1 1, and Jinan and gaoqing county have the most days, with an average of12. The eastern part of the peninsula is the least, generally less than 2 days; 2 ~ 6 days in mountainous areas, southeastern Shandong and central and western peninsula. In other areas, it usually takes 7 to 9 days. Low temperature weather with daily minimum temperature ≤- 10℃ can occur everywhere. There are great differences in the number of low temperature days in the whole province, with Lubei, Lubei mountainous area and inland peninsula being the most, with an average of 12 ~ 20 days, among which Taishan has an average of 47 days, ranking first in the whole province. Generally, the days of low temperature in coastal areas and southern Shandong are 2-4 days, and Hekou, Changdao, Chengshantou, Weihai, Yantai, Qingdao and Rizhao stations are the least, only 1 day. In other areas, it is generally 5 ~ 10 days. The frost-free period in Shandong is generally 174 ~ 260 days, and its distribution law is more in the south and less in the north, more in the plains and mountains, and more in the coastal areas and inland areas. More than 200 days in southern Shandong, southwestern Shandong, northwestern Shandong plain and coastal areas, less than 200 days in mountainous areas and a few areas on the peninsula. Second, the precipitation The average annual precipitation in most areas of Shandong Province is between 600 and 750 mm, and its distribution is characterized by more in the south and less in the north. The annual average precipitation of Mount Tai is 1042.8mm, which is the richest place in the province. The precipitation in the south of Linyi and Zaozhuang is between 800 ~ 848mm ~ 848mm, which is the region with the most precipitation in the whole province, with the largest amount of 848mm in Linshu. 700 ~ 800 mm in southeastern Shandong and most parts of the southeastern peninsula; The precipitation in mountainous areas, southwestern Shandong and most parts of the peninsula is generally between 600 and 700 mm; There is less precipitation in northwest Shandong and northern peninsula, generally below 600mm, and the area north of the Yellow River has the least precipitation, most of which is less than 550mm, of which Wucheng is the place with the least precipitation in the province, only 508.6 mm, and the annual precipitation days in Shandong basically follow the law of increasing from northwest to southeast. Northwest Shandong is less, mostly in 65 ~ 70 days, and Ningjin is the least, only 62.7 days; Southeast Shandong and eastern Peninsula are the areas with the largest number of precipitation days, generally between 80 and 90 days, of which Wendeng is the most, with 90.9 days; In most other areas, it takes 70 ~ 80 days. The average annual precipitation days in Mount Tai are as high as 95. 1 day. 3. The distribution of annual average sunshine hours in Rizhao, Shandong Province is contrary to the distribution law of cloud cover, and it increases from south to north, showing a southwest-northeast trend as a whole, with a variation range of 2200 ~ 2800 hours in the whole province. From 26: 00 to 28: 00 in the central and eastern part of the peninsula and most of northern Shandong; Lunan is the least, and most of them change from 2200 to 2400, and most of the other areas change from 2400 to 2600. Penglai ranks first in the province with 2807 hours, while southwest Shandong is only 2 148 hours, which is the least and only station in the province with less than 2200 hours. Welcome to Shandong!