FrostDateCheck

Haverhill, MA 01835 Frost Dates

Frost dates for Haverhill, MA, ZIP 01835

Zone 6b

Around 05/01 is the usual last spring frost, about 246 days away. The first fall frost typically arrives around 10/12, about 163 frost-free days later.

The USDA Plant Hardiness Zone Map puts Haverhill 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 Haverhill has about 6 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.

The actual range around Haverhill's last frost

05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/20 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Haverhill compares

About 163 days separate Haverhill's last and first frost, putting it 31,311 of 40,283 ZIP codes nationally. Within MA, it ranks 441 of 712.

Learn more

zone vs. frost date explains why Zone 6b and Haverhill's frost date answer different questions, and the frost range explains how to read the range around Haverhill's dates instead of trusting one.