Vermont Frost Dates

Vermont has 45 NOAA weather stations with freeze records in the 1991–2020 climate normals. The typical last spring frost ranges from April 28 at S Hero to June 1 at Sutton 2ne; at half the stations it has come by May 13. The first fall frost typically arrives between September 13 at Sutton 2ne and October 20 at S Hero, with a median of October 1.

The growing season between the typical frosts runs from 103 days at Sutton 2ne to 174 days at S Hero; 141 days at the median station.

Every station in Vermont

Typical dates have a 50% chance of a frost after them in spring, and before them in fall; safer dates, 10%. A garden can differ from its nearest station, especially in a valley or on a hillside: see why your garden may differ.

Vermont: freeze (32 °F) dates by NOAA station, 1991–2020 normals
StationElevationLast frostSaferFirst frostSaferSeason (days)
Averill1,699 ftMay 25Jun 8Sep 22Sep 8120
Barre Montpelier Ap1,126 ftMay 16May 30Sep 29Sep 16136
Bennington Morse St Ap826 ftMay 11May 28Oct 2Sep 19143
Burlington Intl Ap330 ftApr 29May 11Oct 15Oct 2169
Cavendish842 ftMay 16May 31Sep 29Sep 16136
Chelsea 2 Nw1,440 ftMay 9May 24Oct 1Sep 21143
Corinth1,180 ftMay 14May 29Sep 29Sep 14136
Cornwall345 ftMay 5May 20Oct 3Sep 21151
E Haven1,000 ftMay 30Jun 11Sep 16Sep 5109
Eden 2 S1,456 ftMay 5May 20Oct 8Sep 28155
Enosburg Falls 2425 ftMay 18Jun 2Sep 30Sep 15134
Enosburg Falls420 ftMay 14May 28Oct 1Sep 18139
Essex Junction 1 N340 ftMay 2May 17Oct 11Sep 30160
Island Pond Ap1,194 ftMay 16Jun 2Sep 28Sep 15132
Island Pond1,200 ftMay 19Jun 3Sep 29Sep 14129
Jay Peak1,840 ftMay 14May 31Oct 1Sep 19138
Johnson 2 N980 ftMay 9May 24Oct 1Sep 19142
Montpelier 2530 ftMay 5May 21Oct 9Sep 28157
Morrisville 4 Ssw760 ftMay 24Jun 5Sep 27Sep 13123
Morrisville Stowe State Ap732 ftMay 20Jun 4Sep 28Sep 14129
Mt Mansfield3,950 ftMay 23Jun 8Sep 30Sep 16130
N Hartland Lake570 ftMay 8May 22Oct 6Sep 25150
N Springfield Lake560 ftMay 9May 22Oct 2Sep 21146
Newport790 ftMay 14May 28Sep 30Sep 17138
Northfield670 ftMay 18May 30Sep 28Sep 13133
Peru1,700 ftMay 16May 31Oct 2Sep 20140
Plainfield800 ftMay 25Jun 7Sep 22Sep 9119
Pownal 1 Ne1,110 ftMay 7May 22Oct 8Sep 26154
Rochester830 ftMay 13May 29Oct 2Sep 19141
Rutland620 ftMay 15May 31Sep 27Sep 13132
S Hero110 ftApr 28May 10Oct 20Oct 4174
S Lincoln1,341 ftMay 21Jun 6Sep 25Sep 8124
Saint Johnsbury700 ftMay 13May 25Oct 3Sep 21143
Saint Johnsbury700 ftMay 10May 23Oct 3Sep 21147
Salisbury 2 N420 ftMay 21Jun 7Sep 26Sep 13127
Springfield Hartness Ap578 ftMay 13May 28Oct 3Sep 20143
St Albans Radio380 ftMay 1May 16Oct 12Sep 28161
Sunderland 2900 ftMay 13May 28Sep 29Sep 15137
Sutton 2ne1,000 ftJun 1Jun 15Sep 13Aug 30103
Sutton1,500 ftMay 9May 25Oct 1Sep 20143
Union Village Dam460 ftMay 9May 22Oct 2Sep 20145
Vergennes196 ftApr 30May 11Oct 17Oct 2168
Waitsfield 2 Se1,142 ftMay 11May 27Oct 1Sep 18142
Woodstock600 ftMay 13May 27Oct 1Sep 20141
Worcester 2 W1,360 ftMay 4May 18Oct 5Sep 21153

Plan your garden with these dates

Enter your ZIP code in the planner: it picks the nearest of these stations and dates every crop in your beds from its frosts. Free, in your browser.

Open the garden plannerPlanting calendar

Questions

When is the last frost in Vermont?

It depends on where you are. The typical last spring frost at Vermont's NOAA stations ranges from April 28 to June 1, and half of them have had it by May 13. Enter your ZIP code above for the station nearest you.

When is the first frost in Vermont?

Typically between September 13 and October 20, depending on the station; the median is October 1. Plan fall crops back from your own station's date.

What do "typical" and "safer" mean?

With the typical (50%) last-frost date, half of years still have a frost after it. With the safer (10%) date, only one year in ten does. In fall it's the other way around: the safer date is the earlier one.

Other states

Sources

  1. NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020 (annual/seasonal, by station: freeze dates at 32 °F)