Barnwell County, South Carolina · Frost dates

Barnwell County frost dates.

First-frost, last-frost, and growing-season length for Barnwell County, South Carolina. Sourced from NOAA 1991-2020 Climate Normals.

Data confidence: high · USDA zone: 8a

32°F — light freeze

Last spring frost

10%
04-08
20%
04-02
50%
03-20
80%
03-06
90%
02-27

First fall frost

10%
10-29
20%
11-03
50%
11-13
80%
11-26
90%
12-02

28°F — killing freeze

Last spring freeze

10%
03-26
20%
03-19
50%
03-05
80%
02-17
90%
02-06

First fall freeze

10%
11-09
20%
11-16
50%
11-30
80%
12-13
90%
12-28

Growing season length (days, 28°F threshold)

Short year
228
Median
270
Long year
325

Source NOAA station

BLACKVILLE 3 W, SC US

9.0 mi · 30 yrs of record (19912020) · 317 ft elev.

Data from BLACKVILLE 3 W, SC US, 9 miles away with 30-year NOAA record (1991-2020).

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