Mercer County, Kentucky · Frost dates
Mercer County frost dates.
First-frost, last-frost, and growing-season length for Mercer County, Kentucky. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 04-24
- 20%
- 04-19
- 50%
- 04-07
- 80%
- 03-31
- 90%
- 03-25
First fall frost
- 10%
- 10-20
- 20%
- 10-23
- 50%
- 11-01
- 80%
- 11-07
- 90%
- 11-11
28°F — killing freeze
Last spring freeze
- 10%
- 04-11
- 20%
- 04-05
- 50%
- 03-29
- 80%
- 03-17
- 90%
- 03-11
First fall freeze
- 10%
- 10-30
- 20%
- 11-01
- 50%
- 11-08
- 80%
- 11-16
- 90%
- 11-19
Growing season length (days, 28°F threshold)
- Short year
- 202
- Median
- 224
- Long year
- 253
Source NOAA station
DIX DAM, KY US
9.6 mi · 30 yrs of record (1991–2020) · 870 ft elev.
Data from DIX DAM, KY US, 9.6 miles away with 30-year NOAA record (1991-2020).
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