 According to the Köppen Climate Classification system, Inchelium has a dry-summer Humid continental climate, abbreviated "Dsb" on climate maps.As of the census of 2010, there were 409 people residing in Inchelium.The racial makeup of the CDP was 78.5% Native American, 14.2% White, 5.6% from two or more races, 1.5% from other races, and 0.2% Native Hawaiian/Pacific Islander.