Brown County, Ohio · Frost dates
Brown County frost dates.
First-frost, last-frost, and growing-season length for Brown County, Ohio. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-16
- 20%
- 05-10
- 50%
- 04-29
- 80%
- 04-20
- 90%
- 04-17
First fall frost
- 10%
- 09-28
- 20%
- 10-02
- 50%
- 10-11
- 80%
- 10-19
- 90%
- 10-23
28°F — killing freeze
Last spring freeze
- 10%
- 05-08
- 20%
- 04-30
- 50%
- 04-20
- 80%
- 04-11
- 90%
- 04-06
First fall freeze
- 10%
- 10-07
- 20%
- 10-12
- 50%
- 10-21
- 80%
- 10-30
- 90%
- 11-03
Growing season length (days, 28°F threshold)
- Short year
- 152
- Median
- 184
- Long year
- 211
Source NOAA station
RIPLEY EXP FARM, OH US
10.6 mi · 30 yrs of record (1991–2020) · 880 ft elev.
Data from RIPLEY EXP FARM, OH US, 10.6 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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