Frost dates in Rockland, ID
The average last spring frost in Rockland is around May 20 and the first fall frost is around September 27. That gives Rockland an average growing season of about 130 days.
Last spring frost
| Early (10% chance after) | April 30 |
|---|---|
| Average (50%) | May 20 |
| Late (90%) | June 9 |
First fall frost
| Early (10%) | September 12 |
|---|---|
| Average (50%) | September 27 |
| Late (90% chance before) | October 20 |