Frost dates in Hagerman, ID
The average last spring frost in Hagerman is around May 4 and the first fall frost is around September 27. That gives Hagerman an average growing season of about 146 days.
Last spring frost
| Early (10% chance after) | April 18 |
|---|---|
| Average (50%) | May 4 |
| Late (90%) | May 24 |
First fall frost
| Early (10%) | September 17 |
|---|---|
| Average (50%) | September 27 |
| Late (90% chance before) | October 13 |