Fall River, MA 02712 Frost Dates
Frost dates for Fall River, MA, ZIP 02712
Typically, the last spring freeze lands around 04/29, roughly 244 days out. The first fall frost typically arrives around 10/15, about 167 frost-free days later.
Fall River sits in USDA Zone 6b (-5 to 0°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 6b around Fall River has about 7 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.
Why 04/29 isn't a guarantee
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fall River compares
About 167 days separate Fall River's last and first frost, putting it 29,833 of 40,283 ZIP codes nationally. Within MA, it ranks 389 of 712.
Learn more
local microclimates explains what one yard in Fall River can differ from the 02712 normal, and zone vs. frost date explains why Zone 6b and Fall River's frost date answer different questions.