Union County, Mississippi · Frost dates
Union County frost dates.
First-frost, last-frost, and growing-season length for Union County, Mississippi. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8a
32°F — light freeze
Last spring frost
- 10%
- 04-25
- 20%
- 04-19
- 50%
- 04-08
- 80%
- 03-29
- 90%
- 03-22
First fall frost
- 10%
- 10-14
- 20%
- 10-19
- 50%
- 10-28
- 80%
- 11-05
- 90%
- 11-11
28°F — killing freeze
Last spring freeze
- 10%
- 04-12
- 20%
- 04-07
- 50%
- 03-28
- 80%
- 03-15
- 90%
- 03-08
First fall freeze
- 10%
- 10-24
- 20%
- 10-29
- 50%
- 11-05
- 80%
- 11-18
- 90%
- 11-24
Growing season length (days, 28°F threshold)
- Short year
- 195
- Median
- 222
- Long year
- 261
Source NOAA station
HICKORY FLAT, MS US
14.0 mi · 30 yrs of record (1991–2020) · 400 ft elev.
Data from HICKORY FLAT, MS US, 14 miles away with 30-year NOAA record (1991-2020).
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