Spanish Fort, AL 36527 Frost Dates
Frost dates for Spanish Fort, AL, ZIP 36527
Around 03/15 is the usual last spring frost, about 199 days away. The first fall frost typically arrives around 11/19, about 251 frost-free days later.
The USDA Plant Hardiness Zone Map puts Spanish Fort in Zone 9a (20 to 25°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 9a around Spanish Fort has about 12 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 03/15 isn't a guarantee
03/15 is the middle of 30 years of NOAA records, not a promise. Plant by 02/17 and you're betting against frost in roughly 9 years out of 10. 04/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Spanish Fort compares
About 251 days separate Spanish Fort's last and first frost, putting it 7,305 of 40,283 ZIP codes nationally. Within AL, it ranks 191 of 809.
Learn more
local microclimates explains what one yard in Spanish Fort can differ from the 36527 normal, and zone vs. frost date explains why Zone 9a and Spanish Fort's frost date answer different questions.