Calhoun County, Alabama · Frost dates
Calhoun County frost dates.
First-frost, last-frost, and growing-season length for Calhoun County, Alabama. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8a
32°F — light freeze
Last spring frost
- 10%
- 04-09
- 20%
- 04-04
- 50%
- 03-23
- 80%
- 03-10
- 90%
- 03-01
First fall frost
- 10%
- 10-27
- 20%
- 11-01
- 50%
- 11-09
- 80%
- 11-19
- 90%
- 11-25
28°F — killing freeze
Last spring freeze
- 10%
- 03-28
- 20%
- 03-21
- 50%
- 03-08
- 80%
- 02-23
- 90%
- 02-15
First fall freeze
- 10%
- 11-05
- 20%
- 11-09
- 50%
- 11-21
- 80%
- 12-03
- 90%
- 12-09
Growing season length (days, 28°F threshold)
- Short year
- 222
- Median
- 258
- Long year
- 297
Source NOAA station
ANNISTON METRO AP, AL US
12.8 mi · 30 yrs of record (1991–2020) · 594 ft elev.
Data from ANNISTON METRO AP, AL US, 12.8 miles away with 30-year NOAA record (1991-2020).
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