St. Francis County, Arkansas · Frost dates
St. Francis County frost dates.
First-frost, last-frost, and growing-season length for St. Francis County, Arkansas. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7b
32°F — light freeze
Last spring frost
- 10%
- 04-08
- 20%
- 04-03
- 50%
- 03-23
- 80%
- 03-10
- 90%
- 03-03
First fall frost
- 10%
- 10-24
- 20%
- 10-30
- 50%
- 11-07
- 80%
- 11-20
- 90%
- 11-27
28°F — killing freeze
Last spring freeze
- 10%
- 03-28
- 20%
- 03-22
- 50%
- 03-09
- 80%
- 02-25
- 90%
- 02-19
First fall freeze
- 10%
- 11-02
- 20%
- 11-06
- 50%
- 11-20
- 80%
- 12-03
- 90%
- 12-12
Growing season length (days, 28°F threshold)
- Short year
- 219
- Median
- 256
- Long year
- 296
Source NOAA station
WYNNE, AR US
16.2 mi · 30 yrs of record (1991–2020) · 260 ft elev.
Data from WYNNE, AR US, 16.2 miles away with 30-year NOAA record (1991-2020).
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