Frost dates in Orofino, ID
The average last spring frost in Orofino is around April 20 and the first fall frost is around October 18. That gives Orofino an average growing season of about 181 days.
Last spring frost
| Early (10% chance after) | April 4 |
|---|---|
| Average (50%) | April 20 |
| Late (90%) | May 4 |
First fall frost
| Early (10%) | September 28 |
|---|---|
| Average (50%) | October 18 |
| Late (90% chance before) | November 9 |