Potter County, South Dakota · Frost dates
Potter County frost dates.
First-frost, last-frost, and growing-season length for Potter County, South Dakota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4b
32°F — light freeze
Last spring frost
- 10%
- 05-21
- 20%
- 05-16
- 50%
- 05-07
- 80%
- 04-30
- 90%
- 04-24
First fall frost
- 10%
- 09-21
- 20%
- 09-25
- 50%
- 10-02
- 80%
- 10-11
- 90%
- 10-16
28°F — killing freeze
Last spring freeze
- 10%
- 05-11
- 20%
- 05-07
- 50%
- 04-29
- 80%
- 04-17
- 90%
- 04-12
First fall freeze
- 10%
- 09-28
- 20%
- 10-01
- 50%
- 10-10
- 80%
- 10-20
- 90%
- 10-24
Growing season length (days, 28°F threshold)
- Short year
- 140
- Median
- 164
- Long year
- 195
Source NOAA station
GETTYSBURG, SD US
2.5 mi · 30 yrs of record (1991–2020) · 2084 ft elev.
Data from GETTYSBURG, SD US, 2.5 miles away with 30-year NOAA record (1991-2020).
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