Frost dates in Yakima, WA
The average last spring frost in Yakima is around April 20 and the first fall frost is around October 24. That gives Yakima an average growing season of about 187 days.
Last spring frost
| Early (10% chance after) | April 14 |
|---|---|
| Average (50%) | April 20 |
| Late (90%) | May 7 |
First fall frost
| Early (10%) | October 13 |
|---|---|
| Average (50%) | October 24 |
| Late (90% chance before) | October 27 |