FrostDateCheck

Barnstable Town, MA 02630 Frost Dates

Frost dates for Barnstable Town, MA, ZIP 02630

Zone 7a

Typically, the last spring freeze lands around 04/22, roughly 237 days out. The first fall frost typically arrives around 10/28, about 188 frost-free days later.

The USDA Plant Hardiness Zone Map puts Barnstable Town in Zone 7a (0 to 5°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 7a around Barnstable 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.

The actual range around Barnstable Town's last frost

04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Barnstable Town compares

Barnstable Town's growing season runs about 188 days, ranking 21,835 of 40,283 US ZIP codes measured here, longest to shortest. Within MA, it ranks 145 of 712.

Learn more

local microclimates explains what one yard in Barnstable Town can differ from the 02630 normal, and zone vs. frost date explains why Zone 7a and Barnstable Town's frost date answer different questions.