Marshall County, South Dakota · Frost dates
Marshall County frost dates.
First-frost, last-frost, and growing-season length for Marshall County, South Dakota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4b
32°F — light freeze
Last spring frost
- 10%
- 05-15
- 20%
- 05-10
- 50%
- 05-02
- 80%
- 04-24
- 90%
- 04-19
First fall frost
- 10%
- 09-27
- 20%
- 09-30
- 50%
- 10-09
- 80%
- 10-19
- 90%
- 10-22
28°F — killing freeze
Last spring freeze
- 10%
- 05-06
- 20%
- 05-02
- 50%
- 04-24
- 80%
- 04-14
- 90%
- 04-08
First fall freeze
- 10%
- 10-05
- 20%
- 10-10
- 50%
- 10-20
- 80%
- 10-29
- 90%
- 11-01
Growing season length (days, 28°F threshold)
- Short year
- 152
- Median
- 179
- Long year
- 207
Source NOAA station
ROY LAKE, SD US
7.4 mi · 30 yrs of record (1991–2020) · 1810 ft elev.
Data from ROY LAKE, SD US, 7.4 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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