Summerville, SC 29483 Frost Dates
Summerville, SC: when does the frost end?
The last spring frost here typically falls around 03/22, about 206 days from today. Fall's first freeze usually shows up around 11/12, roughly 238 days after the last spring frost.
Summerville 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.
Stretching the season past the first frost
With roughly 11 weeks until Summerville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Summerville's last frost
03/22 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.
Summerville against the rest of the dataset
Summerville's growing season runs about 238 days, ranking 8,929 of 40,283 US ZIP codes measured here, longest to shortest. Within SC, it ranks 209 of 519.
Learn more
Before leaning on 29483's figures: the frost range explains how to read the range around Summerville's dates instead of trusting one, while local microclimates explains what one yard in Summerville can differ from the 29483 normal.