Shelby County, Alabama · Frost dates
Shelby County frost dates.
First-frost, last-frost, and growing-season length for Shelby County, Alabama. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8a
32°F — light freeze
Last spring frost
- 10%
- 03-31
- 20%
- 03-25
- 50%
- 03-12
- 80%
- 02-26
- 90%
- 02-20
First fall frost
- 10%
- 11-01
- 20%
- 11-05
- 50%
- 11-16
- 80%
- 11-28
- 90%
- 12-04
28°F — killing freeze
Last spring freeze
- 10%
- 03-17
- 20%
- 03-11
- 50%
- 02-27
- 80%
- 02-10
- 90%
- 01-31
First fall freeze
- 10%
- 11-10
- 20%
- 11-16
- 50%
- 12-01
- 80%
- 12-18
- 90%
- 12-28
Growing season length (days, 28°F threshold)
- Short year
- 238
- Median
- 277
- Long year
- 331
Source NOAA station
ALABASTER SHELBY CO AP, AL US
9.3 mi · 30 yrs of record (1991–2020) · 565 ft elev.
Data from ALABASTER SHELBY CO AP, AL US, 9.3 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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