The reason why the average temperature of Lake Ayakumu in summer is lower than that in the same latitude area.

Snow and ice cover, water body effect.

1. Snow and ice cover: In summer, the mountains around Ayakumu Lake are covered with a lot of snow, which has a high reflectivity to solar light, reducing the solar radiation received by the lake, thus reducing the temperature of the lake.

2. Water body effect: The heat capacity of water body is large, which can slow down the change of temperature, but Ayakumu Lake is a relatively small lake in summer, and its regulation of temperature is limited.