Frost dates in Clarkson Valley, MO
The average last spring frost in Clarkson Valley is around April 13 and the first fall frost is around October 18. That gives Clarkson Valley an average growing season of about 188 days.
Last spring frost
| Early (10% chance after) | March 29 |
|---|---|
| Average (50%) | April 13 |
| Late (90%) | April 23 |
First fall frost
| Early (10%) | October 7 |
|---|---|
| Average (50%) | October 18 |
| Late (90% chance before) | October 31 |