Western Washington is a region of the United States defined as the area of Washington State west of the Cascade Mountains. This region is home to the state's largest city, Seattle, the state capital, Olympia, and most of the state's residents. The climate is generally far more damp and temperate than that of Eastern Washington.
Climate
250px|thumb|left|[[Köppen climate classification|Köppen climate types in western Washington]]
Western Washington is known as having a far wetter climate than the eastern portion of the state, primarily due to the effects of the Cascades' rain shadow. The average location in Eastern Washington only receives an average of of precipitation per year, whereas the average place in Western Washington receives .
The place that receives the most recorded precipitation is Lake Quinault on the Olympic Peninsula, with an average of per year. The Long Beach Experimental Station has the most days of measurable precipitation, averaging 215 each year. The region has a land area of , making its land area comparable to that of West Virginia. The population density of Western Washington is .
Counties
Counties in Western Washington:
- Clallam
- Clark
- Cowlitz
- Grays Harbor
- Island
- Jefferson
- King
- Kitsap
- Lewis
- Mason
- Pacific
- Pierce
- San Juan
- Skagit
- Skamania
- Snohomish
- Thurston
- Wahkiakum
- Whatcom
Cities of note
Major cities in Western Washington:
- Aberdeen
- Anacortes
- Auburn
- Bellevue
- Bellingham
- Bremerton
- Everett
- Edmonds
- Federal Way
- Issaquah
- Kelso
- Kirkland
- Lake Stevens
- Longview
- Lynnwood
- Monroe
- Mount Vernon
- Oak Harbor
- Olympia
- Port Angeles
- Port Townsend
- Puyallup
- Redmond
- Renton
- Seattle
- Shelton
- Tacoma
- Vancouver