Beaufort, SC 29907 Frost Dates
Beaufort, SC: when does the frost end?
Around 03/03 is the usual last spring frost, about 187 days away. Fall's first freeze usually shows up around 12/09, roughly 282 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Beaufort in Zone 9a (20 to 25°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
With roughly 15 weeks until Beaufort's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Beaufort's last frost
03/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/20 and only about 1 year in 10 sees frost after that.
Beaufort against the rest of the dataset
At roughly 282 frost-free days, Beaufort places 4,778 of 40,283 ZIP codes in this dataset. Within SC, it ranks 25 of 519.
Learn more
Before leaning on 29907's figures: local microclimates explains what one yard in Beaufort can differ from the 29907 normal, while zone vs. frost date explains why Zone 9a and Beaufort's frost date answer different questions.