Frost dates in Fairfield, ID
The average last spring frost in Fairfield is around June 21 and the first fall frost is around September 5. That gives Fairfield an average growing season of about 76 days.
Last spring frost
| Early (10% chance after) | May 25 |
|---|---|
| Average (50%) | June 21 |
| Late (90%) | July 8 |
First fall frost
| Early (10%) | August 18 |
|---|---|
| Average (50%) | September 5 |
| Late (90% chance before) | September 22 |