Why is Anhui colder than Sichuan?

The reason why Anhui is colder than Sichuan is that the average winter temperature in Anhui is 8℃- 17℃ and that in Sichuan is 10℃- 17℃. Anhui belongs to subtrop

The reason why Anhui is colder than Sichuan is that the average winter temperature in Anhui is 8℃- 17℃ and that in Sichuan is 10℃- 17℃. Anhui belongs to subtropical monsoon climate and temperate monsoon climate, with warm temperate semi-humid monsoon climate to the north of Huaihe River and sub-humid monsoon climate to the south of Huaihe River. The main features are: obvious monsoon, distinct four seasons, warm and changeable spring, concentrated summer rain, crisp autumn and cold winter. Anhui is also located in the mid-latitude zone. With the alternation of monsoon, the seasonal variation of precipitation is obvious, which is one of the areas with obvious monsoon climate. Sichuan belongs to subtropical monsoon climate and plateau mountain climate. The climate in Sichuan is characterized by significant regional differences, such as warm winter in the east, drought in spring, hot summer, rainy autumn, cloudy weather, less sunshine, long growing period, cold winter in the west, basically no summer, abundant sunshine, concentrated precipitation and clear wet and dry seasons.