Why is it cold in Changchun and Bihar?

In fact, Harbin is a little cold, and you can feel it in winter, which is generally about 3 degrees lower than Changchun. The weather changes are complicated, and the temperature difference is not necessarily the same every day, but there is one thing that is common.

According to the saying that Changchun is windy, it is windy. The wind comes from western Siberia, blows to Inner Mongolia, and then to the northeast. West Siberia is a plain and nothing can stop the wind. Inner Mongolia is a grassland, so the northeast is generally like this ~