Schoolcraft County, Michigan · Frost dates
Schoolcraft County frost dates.
First-frost, last-frost, and growing-season length for Schoolcraft County, Michigan. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-23
- 20%
- 05-19
- 50%
- 05-09
- 80%
- 04-30
- 90%
- 04-27
First fall frost
- 10%
- 09-27
- 20%
- 10-02
- 50%
- 10-10
- 80%
- 10-21
- 90%
- 10-27
28°F — killing freeze
Last spring freeze
- 10%
- 05-10
- 20%
- 05-05
- 50%
- 04-27
- 80%
- 04-16
- 90%
- 04-11
First fall freeze
- 10%
- 10-09
- 20%
- 10-13
- 50%
- 10-26
- 80%
- 11-04
- 90%
- 11-11
Growing season length (days, 28°F threshold)
- Short year
- 152
- Median
- 182
- Long year
- 214
Source NOAA station
MANISTIQUE WWTP, MI US
5.5 mi · 30 yrs of record (1991–2020) · 600 ft elev.
Data from MANISTIQUE WWTP, MI US, 5.5 miles away with 30-year NOAA record (1991-2020).
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