Frost dates in Franklin, NH
The average last spring frost in Franklin is around May 19 and the first fall frost is around September 25. That gives Franklin an average growing season of about 129 days.
Last spring frost
| Early (10% chance after) | May 5 |
|---|---|
| Average (50%) | May 19 |
| Late (90%) | June 6 |
First fall frost
| Early (10%) | September 12 |
|---|---|
| Average (50%) | September 25 |
| Late (90% chance before) | October 15 |