When will the air humidity in Harbin drop?

Humidity will drop in autumn and winter.

The air humidity in Harbin will be different in different seasons and weather conditions. Generally speaking, the time of high air humidity in Harbin is summer, especially in July and August. This is because the summer temperature is high, and the water vapor content in the air is also high, resulting in high air humidity.

In autumn and winter, as the temperature drops, the water vapor content in the air decreases, and the air humidity also decreases accordingly. So generally speaking, the air humidity in Harbin will be lower in autumn and winter.