Iron City, GA 39859 Frost Dates
Frost dates for Iron City, GA, ZIP 39859
Typically, the last spring freeze lands around 03/14, roughly 198 days out. The first fall frost typically arrives around 11/17, about 250 frost-free days later.
Iron City sits in USDA Zone 9a (20 to 25°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 9a around Iron City 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.
The actual range around Iron City's last frost
03/14 is the middle of 30 years of NOAA records, not a promise. Plant by 02/21 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 Iron City compares
About 250 days separate Iron City's last and first frost, putting it 7,590 of 40,283 ZIP codes nationally. Within GA, it ranks 285 of 921.
Learn more
the frost range explains how to read the range around Iron City's dates instead of trusting one, and local microclimates explains what one yard in Iron City can differ from the 39859 normal.