Data indicators about private plans participating in the Medicare Advantage program and the Medicare prescription drug program.
Ellensburg, WA Weather. Ellensburg, WA climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 20's.
The coldest average temperature in Ellensburg is December at 27 degrees. The most monthly precipitation in Ellensburg occurs in November with 1.6 inches. The Ellensburg weather information is based on the average of the previous 3-7 years of data.