Frost dates in Jamestown, IN
The average last spring frost in Jamestown is around April 19 and the first fall frost is around October 12. That gives Jamestown an average growing season of about 176 days.
Last spring frost
| Early (10% chance after) | April 1 |
|---|---|
| Average (50%) | April 19 |
| Late (90%) | May 12 |
First fall frost
| Early (10%) | September 30 |
|---|---|
| Average (50%) | October 12 |
| Late (90% chance before) | October 28 |