Hardeeville, SC 29927 Frost Dates
Frost dates for Hardeeville, SC, ZIP 29927
Typically, the last spring freeze lands around 03/02, roughly 186 days out. The first fall frost typically arrives around 11/30, about 270 frost-free days later.
Hardeeville 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 Hardeeville has about 13 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 03/02 isn't a guarantee
03/02 is the middle of 30 years of NOAA records, not a promise. Plant by 02/04 and you're betting against frost in roughly 9 years out of 10. 03/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hardeeville compares
About 270 days separate Hardeeville's last and first frost, putting it 5,560 of 40,283 ZIP codes nationally. Within SC, it ranks 39 of 519.
Learn more
the frost range explains how to read the range around Hardeeville's dates instead of trusting one, and local microclimates explains what one yard in Hardeeville can differ from the 29927 normal.