Frost Dates for 29376 — Roebuck, South Carolina

Half of springs at Spartanburg 3 SSE, SC see their last 32°F night by April 8; only one in ten is past it by March 20, and one in ten still has one after April 23. Planting tender crops after April 14 leaves a 30% risk of a frost on them, after April 18 20%, and after April 23 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 66% of the 105 South Carolina stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 1 in half of years, as early as October 17 one year in ten, and holds off past November 14 one year in ten. A hard freeze of 28°F follows 10 days later, around November 11; in spring the one-in-ten date for 28°F is April 10, 13 days before the 32°F one. The freeze-free season lasts 206 days in a typical year, shorter than at 92% of the 105 South Carolina stations; it reaches 229 days one year in ten and falls short of 186 one year in ten. On average 76 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 13 days longer, to about April 21, and return around October 22. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 85%.

July is the warmest month at Spartanburg 3 SSE, SC, averaging 90°F by day and 69°F at night; January is the coldest at 54°F and 32°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 70% of years.

Warmth for growing adds up to 4,916 growing degree days a year (base 50°F), fewer than at 83% of the 105 South Carolina stations. 39% of them (1,933) have built up by the end of June, and July adds the most, 910. Precipitation totals 50.3 inches a year, most in March (4.8") and least in September (3.7"); May to September bring 41% of it.

The nearest other station, Greer, SC, 15 miles west of Roebuck and 330 feet higher, has a last frost 11 days earlier (March 28), a first frost 6 days later (November 7), a season 18 days longer.

Measurable snow is rare here: only 7 of 24 winters from 1991 to 2020 recorded 0.1 inch or more at Spartanburg 3 SSE, SC, 4.2 miles away, so there is no typical first-snow date to plan around.

ZIP 29376 is 4 miles from Spartanburg 3 SSE, SC, which stands at 610 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 9 other ZIP codes share the station; its figures are presented in full for 29301 (Spartanburg). The 2023 USDA Plant Hardiness Zone Map lists ZIP 29376 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.