Knox County, Texas · Frost dates
Knox County frost dates.
First-frost, last-frost, and growing-season length for Knox County, Texas. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 04-14
- 20%
- 04-07
- 50%
- 03-28
- 80%
- 03-13
- 90%
- 03-07
First fall frost
- 10%
- 10-26
- 20%
- 10-30
- 50%
- 11-09
- 80%
- 11-22
- 90%
- 11-28
28°F — killing freeze
Last spring freeze
- 10%
- 04-02
- 20%
- 03-29
- 50%
- 03-13
- 80%
- 03-02
- 90%
- 02-24
First fall freeze
- 10%
- 11-02
- 20%
- 11-08
- 50%
- 11-20
- 80%
- 12-01
- 90%
- 12-06
Growing season length (days, 28°F threshold)
- Short year
- 214
- Median
- 252
- Long year
- 285
Source NOAA station
TRUSCOTT 3 W, TX US
12.6 mi · 30 yrs of record (1991–2020) · 1571 ft elev.
Data from TRUSCOTT 3 W, TX US, 12.6 miles away with 30-year NOAA record (1991-2020).
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