St. George, SC 29477 Frost Dates
Frost dates for St. George, SC, ZIP 29477
Typically, the last spring freeze lands around 03/22, roughly 206 days out. The first fall frost typically arrives around 11/12, about 238 frost-free days later.
St. George 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 St. George 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 St. George's last frost
03/22 is the middle of 30 years of NOAA records, not a promise. Plant by 03/01 and you're betting against frost in roughly 9 years out of 10. 04/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How St. George compares
About 238 days separate St. George's last and first frost, putting it 8,990 of 40,283 ZIP codes nationally. Within SC, it ranks 223 of 519.
Learn more
zone vs. frost date explains why Zone 8b and St. George's frost date answer different questions, and the frost range explains how to read the range around St. George's dates instead of trusting one.