Genesee County, Michigan · Frost dates
Genesee County frost dates.
First-frost, last-frost, and growing-season length for Genesee County, Michigan. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-20
- 20%
- 05-14
- 50%
- 05-03
- 80%
- 04-24
- 90%
- 04-20
First fall frost
- 10%
- 09-30
- 20%
- 10-04
- 50%
- 10-13
- 80%
- 10-23
- 90%
- 10-27
28°F — killing freeze
Last spring freeze
- 10%
- 05-09
- 20%
- 05-02
- 50%
- 04-22
- 80%
- 04-13
- 90%
- 04-08
First fall freeze
- 10%
- 10-12
- 20%
- 10-18
- 50%
- 10-27
- 80%
- 11-04
- 90%
- 11-09
Growing season length (days, 28°F threshold)
- Short year
- 156
- Median
- 188
- Long year
- 215
Source NOAA station
FLINT 7W, MI US
3.4 mi · 30 yrs of record (1991–2020) · 679 ft elev.
Data from FLINT 7W, MI US, 3.4 miles away with 30-year NOAA record (1991-2020).
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