Lake County, Minnesota · Frost dates
Lake County frost dates.
First-frost, last-frost, and growing-season length for Lake County, Minnesota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-31
- 20%
- 05-26
- 50%
- 05-15
- 80%
- 05-04
- 90%
- 04-30
First fall frost
- 10%
- 09-17
- 20%
- 09-21
- 50%
- 10-01
- 80%
- 10-08
- 90%
- 10-14
28°F — killing freeze
Last spring freeze
- 10%
- 05-20
- 20%
- 05-13
- 50%
- 05-02
- 80%
- 04-24
- 90%
- 04-19
First fall freeze
- 10%
- 09-27
- 20%
- 10-01
- 50%
- 10-10
- 80%
- 10-22
- 90%
- 10-28
Growing season length (days, 28°F threshold)
- Short year
- 130
- Median
- 161
- Long year
- 192
Source NOAA station
WOLF RIDGE ELC, MN US
10.2 mi · 30 yrs of record (1991–2020) · 1400 ft elev.
Data from WOLF RIDGE ELC, MN US, 10.2 miles away with 30-year NOAA record (1991-2020).
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