Small-Town Living The City of Sequim (pop. 6,600+) is small-town America. It has many unique gift shops, murals, antique stores, galleries and fine restaurants. The sun shines in Sequim more than anywhere else in Western Washington. The “rain shadow” effect, caused by the Olympic Mountains, shelters the valley from excessive rain. May brings the oldest continuous festival in Washington State, the Sequim Irrigational Festival – celebrating 119 years in 2014.