Benton County, Minnesota · Frost dates
Benton County frost dates.
First-frost, last-frost, and growing-season length for Benton County, Minnesota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-22
- 20%
- 05-18
- 50%
- 05-10
- 80%
- 05-03
- 90%
- 04-30
First fall frost
- 10%
- 09-15
- 20%
- 09-20
- 50%
- 09-29
- 80%
- 10-07
- 90%
- 10-12
28°F — killing freeze
Last spring freeze
- 10%
- 05-12
- 20%
- 05-08
- 50%
- 05-01
- 80%
- 04-24
- 90%
- 04-20
First fall freeze
- 10%
- 09-24
- 20%
- 09-29
- 50%
- 10-07
- 80%
- 10-18
- 90%
- 10-22
Growing season length (days, 28°F threshold)
- Short year
- 135
- Median
- 159
- Long year
- 185
Source NOAA station
RICE, MN US
10.7 mi · 30 yrs of record (1991–2020) · 1060 ft elev.
Data from RICE, MN US, 10.7 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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