Frost dates in Wainwright, AK
The average last spring frost in Wainwright is around July 22 and the first fall frost is around August 16. That gives Wainwright an average growing season of about 25 days.
Last spring frost
| Early (10% chance after) | June 10 |
|---|---|
| Average (50%) | July 22 |
| Late (90%) | July 31 |
First fall frost
| Early (10%) | August 2 |
|---|---|
| Average (50%) | August 16 |
| Late (90% chance before) | September 13 |