Redwood County, Minnesota · Frost dates
Redwood County frost dates.
First-frost, last-frost, and growing-season length for Redwood County, Minnesota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-15
- 20%
- 05-11
- 50%
- 05-03
- 80%
- 04-25
- 90%
- 04-19
First fall frost
- 10%
- 09-18
- 20%
- 09-24
- 50%
- 10-02
- 80%
- 10-11
- 90%
- 10-16
28°F — killing freeze
Last spring freeze
- 10%
- 05-07
- 20%
- 05-02
- 50%
- 04-24
- 80%
- 04-14
- 90%
- 04-08
First fall freeze
- 10%
- 09-29
- 20%
- 10-03
- 50%
- 10-13
- 80%
- 10-22
- 90%
- 10-26
Growing season length (days, 28°F threshold)
- Short year
- 145
- Median
- 172
- Long year
- 201
Source NOAA station
LAMBERTON SW RSCH & OUTREACH C, MN US
11.7 mi · 30 yrs of record (1991–2020) · 1140 ft elev.
Data from LAMBERTON SW RSCH & OUTREACH C, MN US, 11.7 miles away with 30-year NOAA record (1991-2020).
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