Easthampton, MA 01027 Frost Dates
Frost dates for Easthampton, MA, ZIP 01027
Typically, the last spring freeze lands around 05/03, roughly 248 days out. The first fall frost typically arrives around 10/08, about 158 frost-free days later.
Easthampton sits in USDA Zone 6a (-10 to -5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 6a around Easthampton has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
05/03 is the middle of 30 years of NOAA records, not a promise. Plant by 04/20 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Easthampton compares
Easthampton's growing season runs about 158 days, ranking 32,930 of 40,283 US ZIP codes measured here, longest to shortest. Within MA, it ranks 585 of 712.
Learn more
local microclimates explains what one yard in Easthampton can differ from the 01027 normal, and zone vs. frost date explains why Zone 6a and Easthampton's frost date answer different questions.