Frost dates in Tarkio, MO
The average last spring frost in Tarkio is around April 23 and the first fall frost is around October 9. That gives Tarkio an average growing season of about 169 days.
Last spring frost
| Early (10% chance after) | April 7 |
|---|---|
| Average (50%) | April 23 |
| Late (90%) | May 7 |
First fall frost
| Early (10%) | September 27 |
|---|---|
| Average (50%) | October 9 |
| Late (90% chance before) | October 29 |