Barnstable Town, MA 02559 Frost Dates
Frost dates for Barnstable Town, MA, ZIP 02559
The last spring frost here typically falls around 04/21, about 236 days from today. The first fall frost typically arrives around 10/24, about 186 frost-free days later.
Barnstable Town sits in USDA Zone 7a (0 to 5°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
Zone 7a around Barnstable Town has about 8 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 04/21 isn't a guarantee
04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Barnstable Town compares
About 186 days separate Barnstable Town's last and first frost, putting it 22,708 of 40,283 ZIP codes nationally. Within MA, it ranks 161 of 712.
Learn more
local microclimates explains what one yard in Barnstable Town can differ from the 02559 normal, and zone vs. frost date explains why Zone 7a and Barnstable Town's frost date answer different questions.