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 (1991–2020) · 679 ft elev.
Data from FRANKLIN, OH US, 11.9 miles away with 30-year NOAA record (1991-2020).
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