Highland County, Ohio · Frost dates
Highland County frost dates.
First-frost, last-frost, and growing-season length for Highland County, Ohio. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-11
- 20%
- 05-05
- 50%
- 04-24
- 80%
- 04-15
- 90%
- 04-10
First fall frost
- 10%
- 10-06
- 20%
- 10-12
- 50%
- 10-20
- 80%
- 10-27
- 90%
- 11-01
28°F — killing freeze
Last spring freeze
- 10%
- 04-29
- 20%
- 04-22
- 50%
- 04-12
- 80%
- 04-03
- 90%
- 03-31
First fall freeze
- 10%
- 10-17
- 20%
- 10-22
- 50%
- 11-01
- 80%
- 11-08
- 90%
- 11-13
Growing season length (days, 28°F threshold)
- Short year
- 171
- Median
- 203
- Long year
- 227
Source NOAA station
HILLSBORO, OH US
3.4 mi · 30 yrs of record (1991–2020) · 953 ft elev.
Data from HILLSBORO, OH US, 3.4 miles away with 30-year NOAA record (1991-2020).
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