* Windward Side: As moist air rises up the windward side of a mountain, it cools and condenses, leading to precipitation in the form of rain or snow.
* Leeward Side: The air, now dry and having lost most of its moisture, descends the leeward side. This descending air warms and becomes more stable, inhibiting cloud formation and precipitation.
Therefore, the leeward side experiences a drier climate compared to the windward side.