Houston County, Tennessee · Frost dates
Houston County frost dates.
First-frost, last-frost, and growing-season length for Houston County, Tennessee. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-24
- 20%
- 04-19
- 50%
- 04-07
- 80%
- 03-29
- 90%
- 03-24
First fall frost
- 10%
- 10-21
- 20%
- 10-26
- 50%
- 11-03
- 80%
- 11-12
- 90%
- 11-18
28°F — killing freeze
Last spring freeze
- 10%
- 04-18
- 20%
- 04-08
- 50%
- 03-28
- 80%
- 03-16
- 90%
- 03-08
First fall freeze
- 10%
- 11-01
- 20%
- 11-04
- 50%
- 11-14
- 80%
- 11-26
- 90%
- 12-01
Growing season length (days, 28°F threshold)
- Short year
- 197
- Median
- 231
- Long year
- 268
Source NOAA station
TENNESSEE RIDGE, TN US
5.4 mi · 30 yrs of record (1991–2020) · 722 ft elev.
Data from TENNESSEE RIDGE, TN US, 5.4 miles away with 30-year NOAA record (1991-2020).
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