Frost dates in Mountainair, NM
The average last spring frost in Mountainair is around May 11 and the first fall frost is around October 8. That gives Mountainair an average growing season of about 150 days.
Last spring frost
| Early (10% chance after) | April 18 |
|---|---|
| Average (50%) | May 11 |
| Late (90%) | May 29 |
First fall frost
| Early (10%) | September 22 |
|---|---|
| Average (50%) | October 8 |
| Late (90% chance before) | November 1 |