Mudanjiang's climate is characterized by cold winters and mild summers. Winters are harsh, with temperatures often below freezing, while springs are cool, with temperatures ranging from around -2°C to 10°C. Summers are relatively warm, but not hot, with temperatures usually between 15°C and 25°C. Autumn brings a slight cooling trend, with temperatures gradually decreasing towards winter levels. Overall, the region experiences significant temperature fluctuations throughout the year.