In what ways do coastal mountains affect a region's climate? ... They increase precipitation on the windward sides of mountain ranges. They force cool, moist air from oceans to rise as they move toward land. They decrease precipitation totals on the leeward sides of mountain ranges.
On the windward faces of mountain ranges, they boost precipitation. As they approach near land, they drive cool, moist air from the oceans to rise. On the leeward sides of mountain ranges, they reduce precipitation totals.
