Frost dates in Palmer, AK
The average last spring frost in Palmer is around May 13 and the first fall frost is around September 22. That gives Palmer an average growing season of about 132 days.
Last spring frost
| Early (10% chance after) | April 23 |
|---|---|
| Average (50%) | May 13 |
| Late (90%) | May 25 |
First fall frost
| Early (10%) | August 29 |
|---|---|
| Average (50%) | September 22 |
| Late (90% chance before) | October 8 |