Pennington, AL 36916 Frost Dates
Frost dates for Pennington, AL, ZIP 36916
Around 03/16 is the usual last spring frost, about 200 days away. The first fall frost typically arrives around 11/14, about 241 frost-free days later.
Pennington sits in USDA Zone 8b (15 to 20°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 8b around Pennington 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.
Why 03/16 isn't a guarantee
03/16 is the middle of 30 years of NOAA records, not a promise. Plant by 02/26 and you're betting against frost in roughly 9 years out of 10. 04/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Pennington compares
About 241 days separate Pennington's last and first frost, putting it 8,622 of 40,283 ZIP codes nationally. Within AL, it ranks 280 of 809.
Learn more
local microclimates explains what one yard in Pennington can differ from the 36916 normal, and zone vs. frost date explains why Zone 8b and Pennington's frost date answer different questions.