Why is Lushan Mountain colder in winter?

Because the geographical location of Lushan Mountain is quite special.

The annual precipitation of Lushan Mountain can reach 1950-2000 mm, while that of Jiujiang Mountain is about 1400 mm, and the temperature difference between mountains is quite large. The northern part is dominated by fold structures, forming a series of valley landforms; There are a series of fault cliffs in the south and northwest, forming peaks. There are wide valleys and canyons in the mountains, and terraces and valleys are developed around them. It belongs to the subtropical humid monsoon climate zone, which is quite different from Jiujiang City at the foot of the mountain.

The Leng Yue in Lushan Mountain in winter is 1 month, with an average temperature of 0.5℃ and a small temperature transition difference between months. The average temperature in winter is above 0℃ and below 10℃, the average monthly temperature in spring and autumn is between 10-20℃, the average temperature in summer is around 22℃ in June, July and August, and the average maximum temperature in July is only 25.9℃. The extreme minimum temperature reaches-16.7℃, and the extreme maximum temperature does not exceed 32℃.