FrostDateCheck

Beaufort, SC 29902 Frost Dates

When can you plant in Beaufort, SC?

Zone 9a

The last spring frost here typically falls around 03/03, about 187 days from today. The first fall frost typically arrives around 12/09, about 282 frost-free days later.

Beaufort sits in USDA Zone 9a (20 to 25°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.

What to do before the first frost

About 15 weeks of growing season left in Beaufort before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Beaufort's last frost

03/03 is the middle of 30 years of NOAA records, not a promise. Plant by 02/02 and you're betting against frost in roughly 9 years out of 10. 03/20 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Beaufort compares

Beaufort's growing season runs about 282 days, ranking 4,777 of 40,283 US ZIP codes measured here, longest to shortest. Within SC, it ranks 24 of 519.

Learn more

local microclimates covers what one yard in Beaufort can differ from the 29902 normal. zone vs. frost date covers why Zone 9a and Beaufort's frost date answer different questions.