West Union, SC 29696 Frost Dates
29696, near West Union, SC: the frost window
Typically, the last spring freeze lands around 03/21, roughly 205 days out. Fall's first freeze usually shows up around 11/11, roughly 236 days after the last spring frost.
West Union 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.
Stretching the season past the first frost
West Union's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 03/21 isn't a guarantee
03/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/07 and only about 1 year in 10 sees frost after that.
West Union against the rest of the dataset
About 236 days separate West Union's last and first frost, putting it 9,516 of 40,283 ZIP codes nationally. Within SC, it ranks 263 of 519.
Learn more
Two guides worth reading on 29696: local microclimates, on what one yard in West Union can differ from the 29696 normal, and zone vs. frost date, on why Zone 8a and West Union's frost date answer different questions.