Frost dates in Tyrone, OK
The average last spring frost in Tyrone is around April 18 and the first fall frost is around October 23. That gives Tyrone an average growing season of about 188 days.
Last spring frost
| Early (10% chance after) | April 4 |
|---|---|
| Average (50%) | April 18 |
| Late (90%) | May 4 |
First fall frost
| Early (10%) | October 8 |
|---|---|
| Average (50%) | October 23 |
| Late (90% chance before) | November 5 |