Posey County, Indiana · Frost dates
Posey County frost dates.
First-frost, last-frost, and growing-season length for Posey County, Indiana. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 04-27
- 20%
- 04-20
- 50%
- 04-07
- 80%
- 03-31
- 90%
- 03-25
First fall frost
- 10%
- 10-10
- 20%
- 10-16
- 50%
- 10-28
- 80%
- 11-05
- 90%
- 11-10
28°F — killing freeze
Last spring freeze
- 10%
- 04-14
- 20%
- 04-07
- 50%
- 03-30
- 80%
- 03-17
- 90%
- 03-12
First fall freeze
- 10%
- 10-24
- 20%
- 10-31
- 50%
- 11-07
- 80%
- 11-19
- 90%
- 11-25
Growing season length (days, 28°F threshold)
- Short year
- 193
- Median
- 222
- Long year
- 258
Source NOAA station
MT VERNON, IN US
7.0 mi · 30 yrs of record (1991–2020) · 357 ft elev.
Data from MT VERNON, IN US, 7 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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