Jefferson County, Arkansas · Frost dates
Jefferson County frost dates.
First-frost, last-frost, and growing-season length for Jefferson County, Arkansas. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7b
32°F — light freeze
Last spring frost
- 10%
- 04-02
- 20%
- 03-27
- 50%
- 03-14
- 80%
- 03-04
- 90%
- 02-27
First fall frost
- 10%
- 10-31
- 20%
- 11-04
- 50%
- 11-16
- 80%
- 11-27
- 90%
- 12-01
28°F — killing freeze
Last spring freeze
- 10%
- 03-19
- 20%
- 03-14
- 50%
- 03-04
- 80%
- 02-20
- 90%
- 02-11
First fall freeze
- 10%
- 11-09
- 20%
- 11-16
- 50%
- 11-29
- 80%
- 12-11
- 90%
- 12-20
Growing season length (days, 28°F threshold)
- Short year
- 235
- Median
- 270
- Long year
- 312
Source NOAA station
PINE BLUFF, AR US
6.2 mi · 30 yrs of record (1991–2020) · 230 ft elev.
Data from PINE BLUFF, AR US, 6.2 miles away with 30-year NOAA record (1991-2020).
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