Hiram, GA 30141 Frost Dates
Frost dates for Hiram, GA, ZIP 30141
Typically, the last spring freeze lands around 04/02, roughly 217 days out. The first fall frost typically arrives around 11/04, about 218 frost-free days later.
Hiram 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 Hiram has about 10 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
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/15 and you're betting against frost in roughly 9 years out of 10. 04/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hiram compares
At roughly 218 frost-free days, Hiram places 13,262 of 40,283 ZIP codes in this dataset. Within GA, it ranks 788 of 921.
Learn more
local microclimates explains what one yard in Hiram can differ from the 30141 normal, and zone vs. frost date explains why Zone 8a and Hiram's frost date answer different questions.