Harrison County, Mississippi · Frost dates
Harrison County frost dates.
First-frost, last-frost, and growing-season length for Harrison County, Mississippi. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8a
32°F — light freeze
Last spring frost
- 10%
- 03-16
- 20%
- 03-11
- 50%
- 02-23
- 80%
- 02-03
- 90%
- 01-25
First fall frost
- 10%
- 11-12
- 20%
- 11-19
- 50%
- 12-03
- 80%
- 12-28
- 90%
- 01-05
28°F — killing freeze
Last spring freeze
- 10%
- 03-05
- 20%
- 02-25
- 50%
- 02-01
- 80%
- 01-15
- 90%
- 01-05
First fall freeze
- 10%
- 11-28
- 20%
- 12-05
- 50%
- 12-31
- 80%
- 01-14
- 90%
- 01-23
Growing season length (days, 28°F threshold)
- Short year
- 268
- Median
- 333
- Long year
- 383
Source NOAA station
GULFPORT - BILOXI AP, MS US
0.4 mi · 30 yrs of record (1991–2020) · 42 ft elev.
Data from GULFPORT - BILOXI AP, MS US, 0.4 miles away with 30-year NOAA record (1991-2020).
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