Chapin, SC 29177 Frost Dates
29177, near Chapin, SC: the frost window
Around 03/25 is the usual last spring frost, about 209 days away. Fall's first freeze usually shows up around 11/07, roughly 229 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Chapin in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Chapin's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Chapin's last frost
03/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/10 and only about 1 year in 10 sees frost after that.
Chapin against the rest of the dataset
About 229 days separate Chapin's last and first frost, putting it 10,606 of 40,283 ZIP codes nationally. Within SC, it ranks 340 of 519.
Learn more
Two guides worth reading on 29177: zone vs. frost date, on why Zone 8b and Chapin's frost date answer different questions, and the frost range, on how to read the range around Chapin's dates instead of trusting one.