Kent County, Michigan · Frost dates
Kent County frost dates.
First-frost, last-frost, and growing-season length for Kent 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%
- 05-17
- 50%
- 05-06
- 80%
- 04-28
- 90%
- 04-24
First fall frost
- 10%
- 09-29
- 20%
- 10-02
- 50%
- 10-10
- 80%
- 10-19
- 90%
- 10-25
28°F — killing freeze
Last spring freeze
- 10%
- 05-13
- 20%
- 05-06
- 50%
- 04-27
- 80%
- 04-17
- 90%
- 04-11
First fall freeze
- 10%
- 10-08
- 20%
- 10-13
- 50%
- 10-23
- 80%
- 11-02
- 90%
- 11-07
Growing season length (days, 28°F threshold)
- Short year
- 148
- Median
- 179
- Long year
- 210
Source NOAA station
E GRAND RAPIDS, MI US
7.3 mi · 30 yrs of record (1991–2020) · 746 ft elev.
Data from E GRAND RAPIDS, MI US, 7.3 miles away with 30-year NOAA record (1991-2020).
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