FrostDateCheck

Beaufort, SC 29903 Frost Dates

Beaufort, SC: when does the frost end?

Zone 9a

The last spring frost here typically falls around 02/28, about 184 days from today. Fall's first freeze usually shows up around 12/03, roughly 279 days after the last spring frost.

Zone 9a (20 to 25°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 Beaufort, not a forecast for this year.

Stretching the season past the first frost

With roughly 14 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

02/28 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 03/21 and only about 1 year in 10 sees frost after that.

Beaufort against the rest of the dataset

About 279 days separate Beaufort's last and first frost, putting it 4,871 of 40,283 ZIP codes nationally. Within SC, it ranks 30 of 519.

Learn more

Before leaning on 29903's figures: zone vs. frost date explains why Zone 9a and Beaufort's frost date answer different questions, while the frost range explains how to read the range around Beaufort's dates instead of trusting one.