Piedmont, AL 36275 Frost Dates
Frost dates for Piedmont, AL, ZIP 36275
Around 04/06 is the usual last spring frost, about 221 days away. The first fall frost typically arrives around 10/31, about 207 frost-free days later.
Piedmont sits in USDA Zone 8a (10 to 15°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 8a around Piedmont 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 04/06 isn't a guarantee
04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Piedmont compares
About 207 days separate Piedmont's last and first frost, putting it 15,815 of 40,283 ZIP codes nationally. Within AL, it ranks 774 of 809.
Learn more
local microclimates explains what one yard in Piedmont can differ from the 36275 normal, and zone vs. frost date explains why Zone 8a and Piedmont's frost date answer different questions.