Changchun's climate is defined as "continental monsoon" so the four seasons are distinctly recognizable, The spring and autumn are short and the weather changes all the time. The summer is warm and humid. The winter is long, cold and dry.
The whole year’s average temperature is 4.8 degrees Celsius. The lowest temperature is -39.85 degrees Celsius and the highest 39.5 degree Celsius. In summer, the southeaster prevails. Its annual precipitation is in the range between 522 and 615 mm, with 60 per cent falling in summer. The average temperature in July is 23 degrees Celsius. In autumn, pleasant and mild weather may last for days combined with more conspicuous temperature changes and lower wind speed than those in spring.