Campbell County, South Dakota · Frost dates
Campbell County frost dates.
First-frost, last-frost, and growing-season length for Campbell 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%
- 05-17
- 50%
- 05-08
- 80%
- 05-01
- 90%
- 04-27
First fall frost
- 10%
- 09-18
- 20%
- 09-22
- 50%
- 09-30
- 80%
- 10-07
- 90%
- 10-11
28°F — killing freeze
Last spring freeze
- 10%
- 05-12
- 20%
- 05-07
- 50%
- 04-30
- 80%
- 04-19
- 90%
- 04-15
First fall freeze
- 10%
- 09-25
- 20%
- 09-30
- 50%
- 10-08
- 80%
- 10-18
- 90%
- 10-22
Growing season length (days, 28°F threshold)
- Short year
- 136
- Median
- 161
- Long year
- 190
Source NOAA station
POLLOCK, SD US
16.0 mi · 30 yrs of record (1991–2020) · 1639 ft elev.
Data from POLLOCK, SD US, 16 miles away with 30-year NOAA record (1991-2020).
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