Barnstable Town, MA 02638 Frost Dates
Frost dates for Barnstable Town, MA, ZIP 02638
Around 04/13 is the usual last spring frost, about 228 days away. The first fall frost typically arrives around 11/03, about 204 frost-free days later.
The USDA Plant Hardiness Zone Map puts Barnstable Town in Zone 7b (5 to 10°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 7b around Barnstable Town has about 10 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 04/13 isn't a guarantee
04/13 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. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Barnstable Town compares
About 204 days separate Barnstable Town's last and first frost, putting it 16,493 of 40,283 ZIP codes nationally. Within MA, it ranks 75 of 712.
Learn more
local microclimates explains what one yard in Barnstable Town can differ from the 02638 normal, and zone vs. frost date explains why Zone 7b and Barnstable Town's frost date answer different questions.