Ellensburg Climate

Ellensburg has an arid, four–season climate. It lies on the dry eastern edge of Washington's Cascade Mountain Range at an elevation of 1,540 feet. Ellensburg receives an average of nine inches of precipitation per year, the vast majority of which occurs in the fall and winter. Despite its low precipitation totals, the city is in the Kittitas Valley surrounded by hills and mountains, which provide abundant water sources. Ellensburg is pasture land. It generally does not have the sagebrush vegetation, which is typically seen to the south and east of the city in the Columbia Plateau.

Ellensburg in Winter

In the winter, Ellensburg receives snowfall amounts comparable to New York City, an average of about twenty–eight inches per year. High temperatures in January average 34 degrees with an average low of 18 degrees. Although it is typically dry, Ellensburg can be quite cloudy in the winter. Despite being at a lower elevation than nearby Cle Elum, Ellensburg has slightly cooler temperatures due to the cooler air it receives from the east.

Ellensburg Farms

In the spring, Ellensburg warms into the 60s and 70s with average lows in the 30s and 40s. Summer brings generally warm, pleasant weather with temperatures average in the low to mid 80s and lows near 50. Ellensburg averages twenty–seven days per year with temperatures in excess of 90 degrees. Ellensburg can be windy due to winds coming off the Cascade Mountains. In the fall, temperatures plunge from an average high of 74 degrees in September to 36 degrees in December.

Central Washington University has excellent webcams on their website showing current conditions in Ellensburg. For more detailed information on Ellensburg's historical climate, visit the Western Regional Climate Center's web page on Ellensburg.