Alleghany County, Virginia · Frost dates
Alleghany County frost dates.
First-frost, last-frost, and growing-season length for Alleghany County, Virginia. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 05-15
- 20%
- 05-09
- 50%
- 04-27
- 80%
- 04-16
- 90%
- 04-12
First fall frost
- 10%
- 10-04
- 20%
- 10-08
- 50%
- 10-18
- 80%
- 10-28
- 90%
- 11-01
28°F — killing freeze
Last spring freeze
- 10%
- 05-02
- 20%
- 04-24
- 50%
- 04-14
- 80%
- 04-02
- 90%
- 03-30
First fall freeze
- 10%
- 10-13
- 20%
- 10-18
- 50%
- 10-28
- 80%
- 11-05
- 90%
- 11-10
Growing season length (days, 28°F threshold)
- Short year
- 164
- Median
- 197
- Long year
- 225
Source NOAA station
COVINGTON FLTR PLT, VA US
2.0 mi · 30 yrs of record (1991–2020) · 1244 ft elev.
Data from COVINGTON FLTR PLT, VA US, 2 miles away with 30-year NOAA record (1991-2020).
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