FrostDateCheck

Bridgewater Town, MA 02304 Frost Dates

Frost dates for Bridgewater Town, MA, ZIP 02304

Zone 6b

The last spring frost here typically falls around 04/15, about 230 days from today. The first fall frost typically arrives around 11/01, about 198 frost-free days later.

The USDA Plant Hardiness Zone Map puts Bridgewater Town in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

What to do before the first frost

Zone 6b around Bridgewater Town 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 04/15 isn't a guarantee

04/15 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Bridgewater Town compares

About 198 days separate Bridgewater Town's last and first frost, putting it 18,298 of 40,283 ZIP codes nationally. Within MA, it ranks 114 of 712.

Learn more

local microclimates explains what one yard in Bridgewater Town can differ from the 02304 normal, and zone vs. frost date explains why Zone 6b and Bridgewater Town's frost date answer different questions.