Frost dates in Hydaburg, AK
The average last spring frost in Hydaburg is around April 18 and the first fall frost is around October 30. That gives Hydaburg an average growing season of about 195 days.
Last spring frost
| Early (10% chance after) | March 23 |
|---|---|
| Average (50%) | April 18 |
| Late (90%) | May 7 |
First fall frost
| Early (10%) | October 14 |
|---|---|
| Average (50%) | October 30 |
| Late (90% chance before) | November 24 |