The climate in Northeast China is _ _ _ _ _ _ _, characterized by _ _ _ _.

Northeast China mainly belongs to temperate monsoon climate, with long cold winters and short warm summers. Northeast China spans warm temperate zone, middle temperate zone and cold temperate zone from south to north, and the temperature difference between north and south is obvious in winter. Precipitation in Northeast China is mostly concentrated in summer. There is more snowfall in winter and the surface snow lasts for a long time, which is the area with the most snowfall in China.

So, the answer is: temperate monsoon climate; Winter is cold and long, and summer is warm and short.