James City County, Virginia · Frost dates
James City County frost dates.
First-frost, last-frost, and growing-season length for James City County, Virginia. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-14
- 20%
- 04-09
- 50%
- 03-31
- 80%
- 03-21
- 90%
- 03-15
First fall frost
- 10%
- 10-29
- 20%
- 11-01
- 50%
- 11-10
- 80%
- 11-20
- 90%
- 11-26
28°F — killing freeze
Last spring freeze
- 10%
- 04-04
- 20%
- 03-30
- 50%
- 03-20
- 80%
- 03-06
- 90%
- 02-28
First fall freeze
- 10%
- 11-07
- 20%
- 11-11
- 50%
- 11-23
- 80%
- 12-06
- 90%
- 12-13
Growing season length (days, 28°F threshold)
- Short year
- 217
- Median
- 248
- Long year
- 288
Source NOAA station
WILLIAMSBURG 2 N, VA US
4.4 mi · 30 yrs of record (1991–2020) · 70 ft elev.
Data from WILLIAMSBURG 2 N, VA US, 4.4 miles away with 30-year NOAA record (1991-2020).
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