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 (19912020) · 682 ft elev.

Data from NAPOLEON, OH US, 4.9 miles away with 30-year NOAA record (1991-2020).

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