Eastern Asia has lots of different climates because of its its size and elavations. All the higher areas are colder than the lower. Two different areas at the same level can have have very different areas if one is higher than the other. This is in many parts in East Asia. Air masses are a cold dry wind that spreads to southward to northern during the winter which is a major role in Asia. They have warm, moist tropical wind to the Pacific Ocean in Summer.