Columbiana County, Ohio · Frost dates
Columbiana County frost dates.
First-frost, last-frost, and growing-season length for Columbiana County, Ohio. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-20
- 20%
- 05-14
- 50%
- 05-02
- 80%
- 04-22
- 90%
- 04-18
First fall frost
- 10%
- 10-01
- 20%
- 10-04
- 50%
- 10-13
- 80%
- 10-24
- 90%
- 10-29
28°F — killing freeze
Last spring freeze
- 10%
- 05-09
- 20%
- 05-02
- 50%
- 04-20
- 80%
- 04-10
- 90%
- 04-04
First fall freeze
- 10%
- 10-09
- 20%
- 10-14
- 50%
- 10-26
- 80%
- 11-04
- 90%
- 11-10
Growing season length (days, 28°F threshold)
- Short year
- 153
- Median
- 189
- Long year
- 220
Source NOAA station
MILLPORT 4 NE, OH US
4.1 mi · 30 yrs of record (1991–2020) · 1170 ft elev.
Data from MILLPORT 4 NE, OH US, 4.1 miles away with 30-year NOAA record (1991-2020).
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