Frost dates in Cle Elum, WA
The average last spring frost in Cle Elum is around May 24 and the first fall frost is around September 14. That gives Cle Elum an average growing season of about 113 days.
Last spring frost
| Early (10% chance after) | April 30 |
|---|---|
| Average (50%) | May 24 |
| Late (90%) | June 19 |
First fall frost
| Early (10%) | August 25 |
|---|---|
| Average (50%) | September 14 |
| Late (90% chance before) | October 4 |