Montgomery, AL 36104 Frost Dates
Frost dates for Montgomery, AL, ZIP 36104
Around 03/13 is the usual last spring frost, about 197 days away. The first fall frost typically arrives around 11/13, about 244 frost-free days later.
Montgomery 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 Montgomery 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.
The actual range around Montgomery's last frost
03/13 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 Montgomery compares
About 244 days separate Montgomery's last and first frost, putting it 8,185 of 40,283 ZIP codes nationally. Within AL, it ranks 242 of 809.
Learn more
the frost range explains how to read the range around Montgomery's dates instead of trusting one, and local microclimates explains what one yard in Montgomery can differ from the 36104 normal.