Washington County, Alabama · Frost dates
Washington County frost dates.
First-frost, last-frost, and growing-season length for Washington County, Alabama. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8a
32°F — light freeze
Last spring frost
- 10%
- 04-11
- 20%
- 04-06
- 50%
- 03-26
- 80%
- 03-13
- 90%
- 03-03
First fall frost
- 10%
- 10-25
- 20%
- 10-30
- 50%
- 11-08
- 80%
- 11-20
- 90%
- 11-27
28°F — killing freeze
Last spring freeze
- 10%
- 03-31
- 20%
- 03-24
- 50%
- 03-10
- 80%
- 02-25
- 90%
- 02-17
First fall freeze
- 10%
- 11-02
- 20%
- 11-07
- 50%
- 11-20
- 80%
- 12-04
- 90%
- 12-12
Growing season length (days, 28°F threshold)
- Short year
- 216
- Median
- 255
- Long year
- 298
Source NOAA station
CHATOM, AL US
4.9 mi · 30 yrs of record (1991–2020) · 285 ft elev.
Data from CHATOM, AL US, 4.9 miles away with 30-year NOAA record (1991-2020).
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