Question

Why is the rainfall more on wesetern side in temperate region?

Answer 1

because in western side we can find huge forests which welcome the rain to fall

Answer 2

The rainfall is more on the temperate zone because the Oceanic climates occur in the higher middle latitudes, between 45° and 60° north and south. They are created by the onshore flow from the cool high latitude oceans to their west.Also the rain forests in those regions. This causes the climate to have cool summers and cool (but not cold) winters.