Warren County, Ohio · Frost dates

Warren County frost dates.

First-frost, last-frost, and growing-season length for Warren 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%
04-14
90%
04-09

First fall frost

10%
10-07
20%
10-11
50%
10-19
80%
10-27
90%
11-01

28°F — killing freeze

Last spring freeze

10%
04-30
20%
04-22
50%
04-11
80%
04-01
90%
03-26

First fall freeze

10%
10-16
20%
10-20
50%
10-29
80%
11-05
90%
11-11

Growing season length (days, 28°F threshold)

Short year
169
Median
201
Long year
230

Source NOAA station

FRANKLIN, OH US

11.9 mi · 30 yrs of record (19912020) · 679 ft elev.

Data from FRANKLIN, OH US, 11.9 miles away with 30-year NOAA record (1991-2020).

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