Jefferson County, Ohio · Frost dates
Jefferson County frost dates.
First-frost, last-frost, and growing-season length for Jefferson County, Ohio. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-15
- 20%
- 05-08
- 50%
- 04-29
- 80%
- 04-20
- 90%
- 04-16
First fall frost
- 10%
- 10-06
- 20%
- 10-10
- 50%
- 10-20
- 80%
- 10-28
- 90%
- 11-01
28°F — killing freeze
Last spring freeze
- 10%
- 05-03
- 20%
- 04-27
- 50%
- 04-18
- 80%
- 04-08
- 90%
- 04-03
First fall freeze
- 10%
- 10-17
- 20%
- 10-22
- 50%
- 10-31
- 80%
- 11-08
- 90%
- 11-12
Growing season length (days, 28°F threshold)
- Short year
- 167
- Median
- 196
- Long year
- 223
Source NOAA station
STEUBENVILLE, OH US
7.3 mi · 30 yrs of record (1991–2020) · 992 ft elev.
Data from STEUBENVILLE, OH US, 7.3 miles away with 30-year NOAA record (1991-2020).
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