Frost dates in Derby Line, VT
The average last spring frost in Derby Line is around May 15 and the first fall frost is around September 27. That gives Derby Line an average growing season of about 135 days.
Last spring frost
| Early (10% chance after) | May 1 |
|---|---|
| Average (50%) | May 15 |
| Late (90%) | May 29 |
First fall frost
| Early (10%) | September 14 |
|---|---|
| Average (50%) | September 27 |
| Late (90% chance before) | October 12 |