Frost dates in Downey, ID
The average last spring frost in Downey is around June 12 and the first fall frost is around September 19. That gives Downey an average growing season of about 99 days.
Last spring frost
| Early (10% chance after) | May 9 |
|---|---|
| Average (50%) | June 12 |
| Late (90%) | July 10 |
First fall frost
| Early (10%) | September 1 |
|---|---|
| Average (50%) | September 19 |
| Late (90% chance before) | October 12 |