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 (1991–2020) · 317 ft elev.
Data from BLACKVILLE 3 W, SC US, 9 miles away with 30-year NOAA record (1991-2020).
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