Henry County, Ohio · Frost dates
Henry County frost dates.
First-frost, last-frost, and growing-season length for Henry County, Ohio. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-07
- 20%
- 05-02
- 50%
- 04-24
- 80%
- 04-17
- 90%
- 04-13
First fall frost
- 10%
- 10-05
- 20%
- 10-11
- 50%
- 10-21
- 80%
- 10-31
- 90%
- 11-03
28°F — killing freeze
Last spring freeze
- 10%
- 04-26
- 20%
- 04-22
- 50%
- 04-14
- 80%
- 04-05
- 90%
- 03-31
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
- 175
- Median
- 201
- Long year
- 229
Source NOAA station
NAPOLEON, OH US
4.9 mi · 30 yrs of record (1991–2020) · 682 ft elev.
Data from NAPOLEON, OH US, 4.9 miles away with 30-year NOAA record (1991-2020).
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