Frost dates in Boardman, OR
The average last spring frost in Boardman is around April 17 and the first fall frost is around October 16. That gives Boardman an average growing season of about 182 days.
Last spring frost
| Early (10% chance after) | March 29 |
|---|---|
| Average (50%) | April 17 |
| Late (90%) | May 4 |
First fall frost
| Early (10%) | October 1 |
|---|---|
| Average (50%) | October 16 |
| Late (90% chance before) | October 30 |