Massachusetts climate

Massachusetts Frost Dates

The median last spring freeze and first fall freeze (32°F) at 69 NOAA stations in Massachusetts, 1991-2020, with the growing season between them.

Every station

A median date has an even chance of a later freeze in spring or an earlier one in fall. Each town page gives the dates at 36, 32 and 28°F and every probability from 10 to 90 percent.

StationElevationLast freezeFirst freezeSeason, daysTown page
Amherst145 ftMay 5October 8156Amherst Center
Ashburnham1,108 ftMay 2October 13164South Ashburnham
Ashburnham N1,146 ftMay 5October 7155Ashburnham
Barre Falls Dam825 ftMay 12October 1142Hubbardston
Bedford160 ftApril 27October 13169Bedford
Bedford Hanscom Fld133 ftApril 28October 10165Bedford
Belchertown550 ftMay 3October 14164Belchertown
Beverly65 ftMay 4October 12161Beverly Cove
Beverly Muni AP108 ftApril 24October 17176Danvers
Birch Hill Dam855 ftMay 6October 1148Baldwinville
Blue Hill625 ftApril 19October 24188Readville
Blue Hill Coop625 ftApril 18October 26191Readville
Boston Logan Intl AP12 ftApril 4November 9219Jeffries Point
Bridgewater40 ftMay 1October 9161Bridgewater
Brockton75 ftApril 22October 19180West Bridgewater
Buffumville Lake520 ftMay 1October 10162Oxford
Chatham40 ftApril 5November 15224Chatham
Chatham Muni AP68 ftApril 13November 4205West Chatham
E Brimfield Lake700 ftApril 28October 15170Fiskdale
E Hawley1,647 ftMay 17October 1137Charlemont
E Sandwich150 ftApril 26October 26183Forestdale
E Wareham30 ftApril 21October 24186Onset
Edgartown30 ftApril 17November 3200Edgartown
Fitchburg Coop665 ftMay 1October 9161Fitchburg
Fitchburg Muni AP348 ftApril 29October 11165Leominster
Greenfield #3130 ftMay 1October 11163Greenfield
Groveland30 ftMay 3October 8158Groveland
Haverhill20 ftMay 1October 12164Haverhill
Hingham35 ftApril 25October 22180Weymouth
Hyannis60 ftApril 16October 30197Hyannis
Hyannis Barnstable Muni AP55 ftApril 22October 28189Hyannis
Jamaica Plain95 ftApril 19October 23187Jamaica Plain
Lawrence50 ftApril 13October 28198Lawrence
Lawrence Muni AP149 ftApril 21October 21183North Andover
Lenox Dale1,004 ftMay 7October 3149Lee
Leverett #2315 ftMay 2October 9160Leverett
Lowell110 ftApril 30October 10163Lowell
Marblehead84 ftApril 25October 20178Marblehead
Maynard 2205 ftMay 2October 6157Maynard
Middleboro45 ftApril 23October 16176Middleborough
Middleton110 ftMay 3October 9159Middleton
Nantucket Mem AP45 ftApril 13November 8209Nantucket
Natick180 ftApril 26October 12169Natick
New Bedford Coop18 ftApril 11November 5208Bliss Corner
New Bedford Muni AP80 ftApril 29October 15169Acushnet
North Adams Harriman AP654 ftMay 10October 4147Williamstown
Norton W95 ftApril 27October 15171Norton Center
Norwood Mem AP50 ftApril 25October 9167Norwood
NWS Boston/norton85 ftApril 23October 17177Norton
Orange Muni AP555 ftMay 4October 8157Orange
Pittsfield Muni AP1,194 ftMay 5October 5153Pittsfield
Plymouth Muni AP149 ftApril 30October 16169Carver
Plymouth-Kingston45 ftApril 15November 1200North Plymouth
Reading110 ftApril 25October 17175Reading
Rochester65 ftApril 23October 21181North Lakeville
Rowe 3NE1,735 ftMay 14October 4143Heath
Southbridge 3 Sw685 ftApril 25October 13171Southbridge
Taunton20 ftApril 22October 19180Taunton
Taunton Muni AP43 ftMay 2October 8159Raynham Center
Tully Lake680 ftApril 25October 17175Athol
Vineyard Haven AP68 ftMay 7October 9155West Tisbury
W Harwich15 ftApril 13November 3204Dennis Port
Walpole 2170 ftApril 27October 14170Walpole
West Medway210 ftApril 30October 9162Medway
Westfield 3 Sw430 ftApril 28October 17172Southwick
Westfield Barnes Muni AP271 ftMay 3October 8158Westfield
Woods Hole Golf Club80 ftApril 11November 11214Woods Hole
Worcester Rgnl AP1,000 ftApril 23October 21181Leicester
Worthington1,285 ftMay 13October 2142Chesterfield

Sources

NOAA NCEI U.S. Climate Normals, 1991-2020, annual and seasonal freeze probabilities. Public domain.