Summerton, SC 29148 Frost Dates
Frost dates for Summerton, SC, ZIP 29148
The last spring frost here typically falls around 03/25, about 209 days from today. The first fall frost typically arrives around 11/11, about 232 frost-free days later.
Zone 8b (15 to 20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Summerton, not a forecast for this year.
What to do before the first frost
Zone 8b around Summerton 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.
Why 03/25 isn't a guarantee
03/25 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. 04/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Summerton compares
Summerton's growing season runs about 232 days, ranking 10,064 of 40,283 US ZIP codes measured here, longest to shortest. Within SC, it ranks 317 of 519.
Learn more
the frost range explains how to read the range around Summerton's dates instead of trusting one, and local microclimates explains what one yard in Summerton can differ from the 29148 normal.