Johnson County, Arkansas · Frost dates
Johnson County frost dates.
First-frost, last-frost, and growing-season length for Johnson County, Arkansas. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7b
32°F — light freeze
Last spring frost
- 10%
- 04-12
- 20%
- 04-05
- 50%
- 03-25
- 80%
- 03-13
- 90%
- 03-06
First fall frost
- 10%
- 10-28
- 20%
- 11-01
- 50%
- 11-10
- 80%
- 11-23
- 90%
- 11-30
28°F — killing freeze
Last spring freeze
- 10%
- 03-31
- 20%
- 03-24
- 50%
- 03-12
- 80%
- 02-28
- 90%
- 02-24
First fall freeze
- 10%
- 11-05
- 20%
- 11-09
- 50%
- 11-23
- 80%
- 12-05
- 90%
- 12-10
Growing season length (days, 28°F threshold)
- Short year
- 219
- Median
- 256
- Long year
- 289
Source NOAA station
CLARKSVILLE 6 NE, AR US
4.5 mi · 30 yrs of record (1991–2020) · 850 ft elev.
Data from CLARKSVILLE 6 NE, AR US, 4.5 miles away with 30-year NOAA record (1991-2020).
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