Frost dates in Tanana, AK
The average last spring frost in Tanana is around May 30 and the first fall frost is around August 23. That gives Tanana an average growing season of about 85 days.
Last spring frost
| Early (10% chance after) | May 15 |
|---|---|
| Average (50%) | May 30 |
| Late (90%) | July 20 |
First fall frost
| Early (10%) | August 9 |
|---|---|
| Average (50%) | August 23 |
| Late (90% chance before) | September 8 |