Harrison County, Kentucky · Frost dates
Harrison County frost dates.
First-frost, last-frost, and growing-season length for Harrison County, Kentucky. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 05-05
- 20%
- 04-30
- 50%
- 04-18
- 80%
- 04-08
- 90%
- 04-02
First fall frost
- 10%
- 10-13
- 20%
- 10-16
- 50%
- 10-23
- 80%
- 10-31
- 90%
- 11-04
28°F — killing freeze
Last spring freeze
- 10%
- 04-23
- 20%
- 04-18
- 50%
- 04-05
- 80%
- 03-26
- 90%
- 03-20
First fall freeze
- 10%
- 10-22
- 20%
- 10-26
- 50%
- 11-02
- 80%
- 11-11
- 90%
- 11-16
Growing season length (days, 28°F threshold)
- Short year
- 182
- Median
- 211
- Long year
- 241
Source NOAA station
CYNTHIANA, KY US
5.0 mi · 30 yrs of record (1991–2020) · 700 ft elev.
Data from CYNTHIANA, KY US, 5 miles away with 30-year NOAA record (1991-2020).
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