What are the climatic characteristics of Aba Prefecture?

The hilly plateau in the northwest of Aba belongs to the continental plateau climate, and the mountainous area has a warm, cool and semi-humid climate.

In alpine valleys, with the change of altitude, the climate changes from subtropical zone to temperate zone, cold temperate zone and cold zone, showing obvious vertical differences;

The valley below 2500 meters above sea level has concentrated precipitation and rapid evaporation, which is an arid and semi-arid zone. The valley at an altitude of 2500 ~ 4 100 meters is a cold temperate zone, with an annual average temperature of 1℃ ~ 5℃, and above 4 100 meters is a cold zone, with snow all year round and long winter without summer.