Crawford County, Michigan · Frost dates
Crawford County frost dates.
First-frost, last-frost, and growing-season length for Crawford County, Michigan. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 06-07
- 20%
- 06-01
- 50%
- 05-23
- 80%
- 05-13
- 90%
- 05-06
First fall frost
- 10%
- 09-11
- 20%
- 09-16
- 50%
- 09-27
- 80%
- 10-06
- 90%
- 10-10
28°F — killing freeze
Last spring freeze
- 10%
- 05-26
- 20%
- 05-21
- 50%
- 05-10
- 80%
- 04-30
- 90%
- 04-25
First fall freeze
- 10%
- 09-25
- 20%
- 09-30
- 50%
- 10-09
- 80%
- 10-20
- 90%
- 10-26
Growing season length (days, 28°F threshold)
- Short year
- 122
- Median
- 152
- Long year
- 184
Source NOAA station
GRAYLING, MI US
4.7 mi · 30 yrs of record (1991–2020) · 1137 ft elev.
Data from GRAYLING, MI US, 4.7 miles away with 30-year NOAA record (1991-2020).
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