Frost dates in Mackay, ID
The average last spring frost in Mackay is around June 7 and the first fall frost is around September 13. That gives Mackay an average growing season of about 98 days.
Last spring frost
| Early (10% chance after) | May 12 |
|---|---|
| Average (50%) | June 7 |
| Late (90%) | June 29 |
First fall frost
| Early (10%) | August 26 |
|---|---|
| Average (50%) | September 13 |
| Late (90% chance before) | October 6 |