Boone County, West Virginia · Frost dates
Boone County frost dates.
First-frost, last-frost, and growing-season length for Boone County, West Virginia. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 05-02
- 20%
- 04-25
- 50%
- 04-16
- 80%
- 04-06
- 90%
- 04-02
First fall frost
- 10%
- 10-13
- 20%
- 10-19
- 50%
- 10-27
- 80%
- 11-03
- 90%
- 11-06
28°F — killing freeze
Last spring freeze
- 10%
- 04-18
- 20%
- 04-13
- 50%
- 04-03
- 80%
- 03-24
- 90%
- 03-18
First fall freeze
- 10%
- 10-23
- 20%
- 10-28
- 50%
- 11-04
- 80%
- 11-12
- 90%
- 11-18
Growing season length (days, 28°F threshold)
- Short year
- 188
- Median
- 215
- Long year
- 245
Source NOAA station
MADISON 3NNW, WV US
9.1 mi · 30 yrs of record (1991–2020) · 689 ft elev.
Data from MADISON 3NNW, WV US, 9.1 miles away with 30-year NOAA record (1991-2020).
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