Frost dates in Fairmont, OK
The average last spring frost in Fairmont is around April 10 and the first fall frost is around October 27. That gives Fairmont an average growing season of about 200 days.
Last spring frost
| Early (10% chance after) | March 14 |
|---|---|
| Average (50%) | April 10 |
| Late (90%) | April 25 |
First fall frost
| Early (10%) | October 10 |
|---|---|
| Average (50%) | October 27 |
| Late (90% chance before) | November 10 |