Conversation so far:
What is the climate in the western region
As a generalization, the climate of the West can be summed up as semi-arid
What are the characteristics of the semi-arid climate
A semi-arid climate or steppe climate called type B, is the climate of a region that receives precipitation below potential evapotranspiration, but not as low as a desert climate.
What countries experience the semi-arid climate
Dry, desert and semi-desert climates; western US, western and southern South America, Northern and southern Africa, southwest Asia, central Asia, Australia

Question: What other types exist
Self-contained rewrite: What other types of climates exist