Frost Dates for 29670 — Pendleton, South Carolina

Half of springs at Sandy Springs 2 NE, SC see their last 32°F night by April 5; only one in ten is past it by March 21, and one in ten still has one after April 21. Planting tender crops after April 12 leaves a 30% risk of a frost on them, after April 16 20%, and after April 21 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 44% of the 105 South Carolina stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 30 in half of years, as early as October 17 one year in ten, and holds off past November 11 one year in ten. A hard freeze of 28°F follows 10 days later, around November 9; in spring the one-in-ten date for 28°F is April 10, 11 days before the 32°F one. The freeze-free season lasts 207 days in a typical year, shorter than at 90% of the 105 South Carolina stations; it reaches 228 days one year in ten and falls short of 186 one year in ten. On average 75 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 14 days longer, to about April 19, and return around October 21. Severe cold of 16°F or below comes in 92% of winters, usually between January 1 and February 4.

July is the warmest month at Sandy Springs 2 NE, SC, averaging 90°F by day and 67°F at night; January is the coldest at 53°F and 28°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 68% of years.

Warmth for growing adds up to 4,587 growing degree days a year (base 50°F), fewer than at 92% of the 105 South Carolina stations. 38% of them (1,749) have built up by the end of June, and July adds the most, 880. Precipitation totals 49.8 inches a year, most in January (4.8") and least in October (3.5"); May to September bring 41% of it.

The nearest other station, Clemson Univ, SC, 3 miles west of Pendleton, has a last frost 4 days earlier (April 1), a first frost 4 days later (November 3), a season 10 days longer.

The first measurable snow (0.1 inch or more) in Pendleton usually arrives around January 20, and the last of the season around January 24. Those are the middle dates across the winters of 1991–2020 at Clemson Univ, SC, 3.5 miles away: half of years saw snow earlier, half later. Snow fell in 79% of those winters. The last 32°F night of spring typically comes 71 days after the last snow.

ZIP 29670 is 3 miles from Sandy Springs 2 NE, SC, which stands at 765 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 29670 in zone 8a, the band where the coldest night of the year averaged 10 to 15°F (-12.2 to -9.4°C) over 1991–2020; a zone describes winter lows, not frost dates.