Mason County, Kentucky · Frost dates
Mason County frost dates.
First-frost, last-frost, and growing-season length for Mason County, Kentucky. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 05-04
- 20%
- 04-29
- 50%
- 04-18
- 80%
- 04-08
- 90%
- 04-03
First fall frost
- 10%
- 10-17
- 20%
- 10-21
- 50%
- 10-30
- 80%
- 11-06
- 90%
- 11-11
28°F — killing freeze
Last spring freeze
- 10%
- 04-22
- 20%
- 04-16
- 50%
- 04-05
- 80%
- 03-28
- 90%
- 03-21
First fall freeze
- 10%
- 10-29
- 20%
- 11-01
- 50%
- 11-08
- 80%
- 11-16
- 90%
- 11-21
Growing season length (days, 28°F threshold)
- Short year
- 190
- Median
- 217
- Long year
- 245
Source NOAA station
MAYSVILLE WWTP, KY US
6.8 mi · 30 yrs of record (1991–2020) · 515 ft elev.
Data from MAYSVILLE WWTP, KY US, 6.8 miles away with 30-year NOAA record (1991-2020).
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