Frost dates in Seward, AK
The average last spring frost in Seward is around May 10 and the first fall frost is around October 4. That gives Seward an average growing season of about 147 days.
Last spring frost
| Early (10% chance after) | April 24 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 27 |
First fall frost
| Early (10%) | September 18 |
|---|---|
| Average (50%) | October 4 |
| Late (90% chance before) | October 17 |