Frost dates in Jamestown, MO
The average last spring frost in Jamestown is around April 9 and the first fall frost is around October 26. That gives Jamestown an average growing season of about 200 days.
Last spring frost
| Early (10% chance after) | March 26 |
|---|---|
| Average (50%) | April 9 |
| Late (90%) | April 30 |
First fall frost
| Early (10%) | October 10 |
|---|---|
| Average (50%) | October 26 |
| Late (90% chance before) | November 9 |