Montgomery County, Virginia · Frost dates
Montgomery County frost dates.
First-frost, last-frost, and growing-season length for Montgomery County, Virginia. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 05-14
- 20%
- 05-07
- 50%
- 04-24
- 80%
- 04-15
- 90%
- 04-11
First fall frost
- 10%
- 10-06
- 20%
- 10-10
- 50%
- 10-19
- 80%
- 10-28
- 90%
- 11-01
28°F — killing freeze
Last spring freeze
- 10%
- 04-27
- 20%
- 04-21
- 50%
- 04-11
- 80%
- 04-02
- 90%
- 03-28
First fall freeze
- 10%
- 10-15
- 20%
- 10-20
- 50%
- 10-29
- 80%
- 11-05
- 90%
- 11-08
Growing season length (days, 28°F threshold)
- Short year
- 171
- Median
- 201
- Long year
- 225
Source NOAA station
BLACKSBURG NWSO, VA US
2.4 mi · 30 yrs of record (1991–2020) · 2103 ft elev.
Data from BLACKSBURG NWSO, VA US, 2.4 miles away with 30-year NOAA record (1991-2020).
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