Grayson County, Texas · Frost dates
Grayson County frost dates.
First-frost, last-frost, and growing-season length for Grayson County, Texas. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 04-01
- 20%
- 03-27
- 50%
- 03-14
- 80%
- 03-02
- 90%
- 02-25
First fall frost
- 10%
- 11-02
- 20%
- 11-08
- 50%
- 11-19
- 80%
- 12-01
- 90%
- 12-06
28°F — killing freeze
Last spring freeze
- 10%
- 03-21
- 20%
- 03-14
- 50%
- 03-02
- 80%
- 02-18
- 90%
- 02-10
First fall freeze
- 10%
- 11-11
- 20%
- 11-18
- 50%
- 11-30
- 80%
- 12-12
- 90%
- 12-20
Growing season length (days, 28°F threshold)
- Short year
- 235
- Median
- 273
- Long year
- 313
Source NOAA station
SHERMAN, TX US
5.8 mi · 30 yrs of record (1991–2020) · 760 ft elev.
Data from SHERMAN, TX US, 5.8 miles away with 30-year NOAA record (1991-2020).
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