Wilton, AL 35187 Frost Dates
Frost dates for Wilton, AL, ZIP 35187
Typically, the last spring freeze lands around 03/12, roughly 196 days out. The first fall frost typically arrives around 11/16, about 248 frost-free days later.
Wilton 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 Wilton has about 11 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.
How much risk comes with planting early here
03/12 is the middle of 30 years of NOAA records, not a promise. Plant by 02/20 and you're betting against frost in roughly 9 years out of 10. 03/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wilton compares
About 248 days separate Wilton's last and first frost, putting it 7,724 of 40,283 ZIP codes nationally. Within AL, it ranks 222 of 809.
Learn more
local microclimates explains what one yard in Wilton can differ from the 35187 normal, and zone vs. frost date explains why Zone 8a and Wilton's frost date answer different questions.