FrostDateCheck

Brockton, MA 02334 Frost Dates

When can you plant in Brockton, MA?

Zone 6b

Typically, the last spring freeze lands around 04/27, roughly 242 days out. The first fall frost typically arrives around 10/15, about 168 frost-free days later.

Brockton 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

About 7 weeks of growing season left in Brockton before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Brockton compares

About 168 days separate Brockton's last and first frost, putting it 29,655 of 40,283 ZIP codes nationally. Within MA, it ranks 368 of 712.

Learn more

the frost range covers how to read the range around Brockton's dates instead of trusting one. local microclimates covers what one yard in Brockton can differ from the 02334 normal.