Why is Guiyang so cold?

Under normal circumstances, under the same conditions, the higher the latitude, the lower the temperature, but there are also some other factors that make the two places draw opposite conclusions, such as the influence of topography and altitude. Guiyang is about 1 100 meters above sea level, while Chongqing is less than 400 meters above sea level. The altitude difference between the two places also greatly affects the temperature of the two places.