Frost dates in Donnelly, ID
The average last spring frost in Donnelly is around June 24 and the first fall frost is around September 1. That gives Donnelly an average growing season of about 69 days.
Last spring frost
| Early (10% chance after) | June 9 |
|---|---|
| Average (50%) | June 24 |
| Late (90%) | July 18 |
First fall frost
| Early (10%) | August 23 |
|---|---|
| Average (50%) | September 1 |
| Late (90% chance before) | September 16 |