Frost dates in Napaskiak, AK
The average last spring frost in Napaskiak is around May 25 and the first fall frost is around September 16. That gives Napaskiak an average growing season of about 114 days.
Last spring frost
| Early (10% chance after) | May 13 |
|---|---|
| Average (50%) | May 25 |
| Late (90%) | June 13 |
First fall frost
| Early (10%) | September 1 |
|---|---|
| Average (50%) | September 16 |
| Late (90% chance before) | September 28 |