Lawrence County, South Dakota · Frost dates
Lawrence County frost dates.
First-frost, last-frost, and growing-season length for Lawrence County, South Dakota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4b
32°F — light freeze
Last spring frost
- 10%
- 06-01
- 20%
- 05-28
- 50%
- 05-18
- 80%
- 05-09
- 90%
- 05-05
First fall frost
- 10%
- 09-15
- 20%
- 09-20
- 50%
- 09-29
- 80%
- 10-08
- 90%
- 10-13
28°F — killing freeze
Last spring freeze
- 10%
- 05-21
- 20%
- 05-16
- 50%
- 05-06
- 80%
- 04-28
- 90%
- 04-22
First fall freeze
- 10%
- 09-23
- 20%
- 09-28
- 50%
- 10-07
- 80%
- 10-18
- 90%
- 10-23
Growing season length (days, 28°F threshold)
- Short year
- 125
- Median
- 154
- Long year
- 184
Source NOAA station
LEAD, SD US
3.2 mi · 30 yrs of record (1991–2020) · 5112 ft elev.
Data from LEAD, SD US, 3.2 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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