Seneca County, Ohio · Frost dates
Seneca County frost dates.
First-frost, last-frost, and growing-season length for Seneca 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%
- 04-23
- 80%
- 04-13
- 90%
- 04-08
First fall frost
- 10%
- 10-09
- 20%
- 10-14
- 50%
- 10-23
- 80%
- 11-01
- 90%
- 11-05
28°F — killing freeze
Last spring freeze
- 10%
- 04-26
- 20%
- 04-21
- 50%
- 04-11
- 80%
- 04-01
- 90%
- 03-28
First fall freeze
- 10%
- 10-21
- 20%
- 10-27
- 50%
- 11-03
- 80%
- 11-13
- 90%
- 11-19
Growing season length (days, 28°F threshold)
- Short year
- 178
- Median
- 206
- Long year
- 236
Source NOAA station
TIFFIN, OH US
2.1 mi · 30 yrs of record (1991–2020) · 740 ft elev.
Data from TIFFIN, OH US, 2.1 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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