Frost dates in Grenville, NM
The average last spring frost in Grenville is around May 10 and the first fall frost is around October 7. That gives Grenville an average growing season of about 150 days.
Last spring frost
| Early (10% chance after) | April 26 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 22 |
First fall frost
| Early (10%) | September 18 |
|---|---|
| Average (50%) | October 7 |
| Late (90% chance before) | October 23 |