Frost dates in Fort Jones, CA
The average last spring frost in Fort Jones is around May 19 and the first fall frost is around October 6. That gives Fort Jones an average growing season of about 140 days.
Last spring frost
| Early (10% chance after) | April 29 |
|---|---|
| Average (50%) | May 19 |
| Late (90%) | June 9 |
First fall frost
| Early (10%) | September 19 |
|---|---|
| Average (50%) | October 6 |
| Late (90% chance before) | October 25 |