Frost dates in Harrison, NE
The average last spring frost in Harrison is around May 21 and the first fall frost is around September 20. That gives Harrison an average growing season of about 122 days.
Last spring frost
| Early (10% chance after) | May 7 |
|---|---|
| Average (50%) | May 21 |
| Late (90%) | June 13 |
First fall frost
| Early (10%) | September 6 |
|---|---|
| Average (50%) | September 20 |
| Late (90% chance before) | October 5 |