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

See the Derby Line planting calendar →