ZIP 29152 Zone 8b

South Carolina · USDA zone 8b, average annual extreme minimum 15°F to 20°F.

Nearest qualified station: WEDGEFIELD, SC US (USC00389039), 5.9 miles from the Census ZCTA internal point for this ZIP.

Median last 32°F is March 21. Median first 32°F is November 13. The 50% growing-season length is 239 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Last 32°F in spring

NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.

ProbabilityDateHow to read it
90%February 28Earlier date. A last 32°F on or after this day is common.
50%March 21Median.
10%April 9Later date. A last 32°F on or after this day is uncommon.

First 32°F in fall

NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.

ProbabilityDateHow to read it
10%October 30Earlier date. A first 32°F on or before this day is uncommon.
50%November 13Median.
90%December 5Later date. A first 32°F on or before this day is common.

32°F growing-season length

Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.

Probability the season is at least this longDays
10%270
50%239
90%214

28°F threshold

10%50%90%
Last, on or afterMarch 28March 6February 7
First, on or beforeNovember 6November 30December 26
Season at least303 days269 days237 days

36°F threshold

10%50%90%
Last, on or afterApril 18April 2March 15
First, on or beforeOctober 21November 3November 20
Season at least242 days216 days193 days

Station WEDGEFIELD, SC US (USC00389039). Completeness flag R, 18 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 76.2 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Methodology · South Carolina cities