Frost dates in Merna, NE
The average last spring frost in Merna is around May 12 and the first fall frost is around September 27. That gives Merna an average growing season of about 138 days.
Last spring frost
| Early (10% chance after) | April 23 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | May 25 |
First fall frost
| Early (10%) | September 13 |
|---|---|
| Average (50%) | September 27 |
| Late (90% chance before) | October 11 |