As a result, the west side of the North Cascades experiences high precipitation, especially during the winter months in the form of snowfall. Due to its temperate climate and proximity to the Pacific Ocean, areas west of the Cascade Crest very rarely experience temperatures below  or above .
The western part of the North Cascades receives substantial rainfall, particularly in winter as snow. Given its temperate climate and location near the Pacific Ocean, regions west of the Cascade Crest generally do not experience temperatures below freezing or above .