Portage County, Ohio · Frost dates
Portage County frost dates.
First-frost, last-frost, and growing-season length for Portage 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%
- 05-01
- 50%
- 04-21
- 80%
- 04-12
- 90%
- 04-08
First fall frost
- 10%
- 10-14
- 20%
- 10-20
- 50%
- 10-29
- 80%
- 11-05
- 90%
- 11-10
28°F — killing freeze
Last spring freeze
- 10%
- 04-24
- 20%
- 04-19
- 50%
- 04-09
- 80%
- 04-01
- 90%
- 03-28
First fall freeze
- 10%
- 10-28
- 20%
- 11-01
- 50%
- 11-08
- 80%
- 11-19
- 90%
- 11-24
Growing season length (days, 28°F threshold)
- Short year
- 187
- Median
- 213
- Long year
- 241
Source NOAA station
RAVENNA 2 S, OH US
5.1 mi · 30 yrs of record (1991–2020) · 1107 ft elev.
Data from RAVENNA 2 S, OH US, 5.1 miles away with 30-year NOAA record (1991-2020).
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