Frost dates in Johnson, VT
The average last spring frost in Johnson is around May 9 and the first fall frost is around September 25. That gives Johnson an average growing season of about 139 days.
Last spring frost
| Early (10% chance after) | April 29 |
|---|---|
| Average (50%) | May 9 |
| Late (90%) | May 22 |
First fall frost
| Early (10%) | September 18 |
|---|---|
| Average (50%) | September 25 |
| Late (90% chance before) | October 14 |