Charlevoix County, Michigan · Frost dates
Charlevoix County frost dates.
First-frost, last-frost, and growing-season length for Charlevoix County, Michigan. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-26
- 20%
- 05-22
- 50%
- 05-11
- 80%
- 05-01
- 90%
- 04-27
First fall frost
- 10%
- 10-02
- 20%
- 10-07
- 50%
- 10-19
- 80%
- 10-29
- 90%
- 11-03
28°F — killing freeze
Last spring freeze
- 10%
- 05-14
- 20%
- 05-09
- 50%
- 04-30
- 80%
- 04-21
- 90%
- 04-15
First fall freeze
- 10%
- 10-17
- 20%
- 10-22
- 50%
- 11-02
- 80%
- 11-10
- 90%
- 11-16
Growing season length (days, 28°F threshold)
- Short year
- 156
- Median
- 186
- Long year
- 215
Source NOAA station
ST JAMES 4SSW BEAVER, MI US
5.0 mi · 30 yrs of record (1991–2020) · 672 ft elev.
Data from ST JAMES 4SSW BEAVER, MI US, 5 miles away with 30-year NOAA record (1991-2020).
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