Frost Dates
Last spring freeze · first fall freeze · frost-free season, from NOAA 1991–2020 climate normals

Frost dates in Massachusetts

10 cities · typical last spring freeze → typical first fall freeze (32°F, median of 1991–2020 normals)

BostonApril 4 → November 9WorcesterApril 23 → October 21SpringfieldMay 3 → October 8CambridgeApril 19 → October 23LowellApril 30 → October 10BrocktonApril 22 → October 19LynnApril 25 → October 20QuincyApril 25 → October 22New BedfordApril 29 → October 15Fall RiverApril 29 → October 15