FrostDateCheck

Fall River, MA 02723 Frost Dates

Frost dates for Fall River, MA, ZIP 02723

Zone 7a

Around 04/11 is the usual last spring frost, about 226 days away. The first fall frost typically arrives around 11/02, about 203 frost-free days later.

Fall River sits in USDA Zone 7a (0 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 7a around Fall River has about 9 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 04/11 isn't a guarantee

04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 04/22 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Fall River compares

At roughly 203 frost-free days, Fall River places 16,824 of 40,283 ZIP codes in this dataset. Within MA, it ranks 84 of 712.

Learn more

zone vs. frost date explains why Zone 7a and Fall River's frost date answer different questions, and the frost range explains how to read the range around Fall River's dates instead of trusting one.