Mille Lacs County, Minnesota · Frost dates
Mille Lacs County frost dates.
First-frost, last-frost, and growing-season length for Mille Lacs County, Minnesota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-26
- 20%
- 05-20
- 50%
- 05-08
- 80%
- 04-30
- 90%
- 04-25
First fall frost
- 10%
- 09-17
- 20%
- 09-21
- 50%
- 10-01
- 80%
- 10-09
- 90%
- 10-14
28°F — killing freeze
Last spring freeze
- 10%
- 05-14
- 20%
- 05-08
- 50%
- 04-28
- 80%
- 04-19
- 90%
- 04-14
First fall freeze
- 10%
- 09-25
- 20%
- 10-01
- 50%
- 10-11
- 80%
- 10-21
- 90%
- 10-25
Growing season length (days, 28°F threshold)
- Short year
- 134
- Median
- 166
- Long year
- 194
Source NOAA station
MILACA, MN US
12.2 mi · 30 yrs of record (1991–2020) · 1064 ft elev.
Data from MILACA, MN US, 12.2 miles away with 30-year NOAA record (1991-2020).
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