Clinton County, Ohio · Frost dates
Clinton County frost dates.
First-frost, last-frost, and growing-season length for Clinton County, Ohio. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-06
- 20%
- 04-30
- 50%
- 04-19
- 80%
- 04-10
- 90%
- 04-05
First fall frost
- 10%
- 10-08
- 20%
- 10-13
- 50%
- 10-22
- 80%
- 10-31
- 90%
- 11-03
28°F — killing freeze
Last spring freeze
- 10%
- 04-22
- 20%
- 04-17
- 50%
- 04-06
- 80%
- 03-30
- 90%
- 03-24
First fall freeze
- 10%
- 10-18
- 20%
- 10-24
- 50%
- 11-01
- 80%
- 11-10
- 90%
- 11-15
Growing season length (days, 28°F threshold)
- Short year
- 179
- Median
- 209
- Long year
- 236
Source NOAA station
CINCINNATI, OH US
0.9 mi · 30 yrs of record (1991–2020) · 1056 ft elev.
Data from CINCINNATI, OH US, 0.9 miles away with 30-year NOAA record (1991-2020).
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