Frost dates in McGrew, NE
The average last spring frost in McGrew is around May 11 and the first fall frost is around September 29. That gives McGrew an average growing season of about 141 days.
Last spring frost
| Early (10% chance after) | April 21 |
|---|---|
| Average (50%) | May 11 |
| Late (90%) | May 26 |
First fall frost
| Early (10%) | September 12 |
|---|---|
| Average (50%) | September 29 |
| Late (90% chance before) | October 16 |