Grant County, West Virginia · Frost dates
Grant County frost dates.
First-frost, last-frost, and growing-season length for Grant County, West Virginia. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 05-13
- 20%
- 05-06
- 50%
- 04-23
- 80%
- 04-11
- 90%
- 04-05
First fall frost
- 10%
- 10-08
- 20%
- 10-12
- 50%
- 10-20
- 80%
- 10-29
- 90%
- 11-02
28°F — killing freeze
Last spring freeze
- 10%
- 04-30
- 20%
- 04-20
- 50%
- 04-07
- 80%
- 03-29
- 90%
- 03-23
First fall freeze
- 10%
- 10-15
- 20%
- 10-21
- 50%
- 10-30
- 80%
- 11-08
- 90%
- 11-13
Growing season length (days, 28°F threshold)
- Short year
- 168
- Median
- 206
- Long year
- 235
Source NOAA station
PETERSBURG, WV US
8.1 mi · 30 yrs of record (1991–2020) · 960 ft elev.
Data from PETERSBURG, WV US, 8.1 miles away with 30-year NOAA record (1991-2020).
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