FrostDateCheck

Fall River, MA 02790 Frost Dates

When can you plant in Fall River, MA?

Zone 7a

The last spring frost here typically falls around 04/11, about 226 days from today. 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

About 9 weeks of growing season left in Fall River before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Fall River's last frost

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

Fall River's growing season runs about 203 days, ranking 16,829 of 40,283 US ZIP codes measured here, longest to shortest. Within MA, it ranks 89 of 712.

Learn more

local microclimates covers what one yard in Fall River can differ from the 02790 normal. zone vs. frost date covers why Zone 7a and Fall River's frost date answer different questions.