Haakon County, South Dakota · Frost dates
Haakon County frost dates.
First-frost, last-frost, and growing-season length for Haakon County, South Dakota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4b
32°F — light freeze
Last spring frost
- 10%
- 05-22
- 20%
- 05-18
- 50%
- 05-08
- 80%
- 05-01
- 90%
- 04-27
First fall frost
- 10%
- 09-17
- 20%
- 09-23
- 50%
- 10-02
- 80%
- 10-12
- 90%
- 10-17
28°F — killing freeze
Last spring freeze
- 10%
- 05-11
- 20%
- 05-07
- 50%
- 04-29
- 80%
- 04-18
- 90%
- 04-13
First fall freeze
- 10%
- 09-26
- 20%
- 10-01
- 50%
- 10-12
- 80%
- 10-20
- 90%
- 10-25
Growing season length (days, 28°F threshold)
- Short year
- 138
- Median
- 166
- Long year
- 195
Source NOAA station
MILESVILLE 5 NE, SD US
16.3 mi · 30 yrs of record (1991–2020) · 2237 ft elev.
Data from MILESVILLE 5 NE, SD US, 16.3 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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