Bay County, Michigan · Frost dates
Bay County frost dates.
First-frost, last-frost, and growing-season length for Bay 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%
- 05-03
- 80%
- 04-24
- 90%
- 04-20
First fall frost
- 10%
- 09-29
- 20%
- 10-02
- 50%
- 10-14
- 80%
- 10-24
- 90%
- 10-30
28°F — killing freeze
Last spring freeze
- 10%
- 05-10
- 20%
- 05-04
- 50%
- 04-23
- 80%
- 04-13
- 90%
- 04-08
First fall freeze
- 10%
- 10-12
- 20%
- 10-19
- 50%
- 10-29
- 80%
- 11-06
- 90%
- 11-10
Growing season length (days, 28°F threshold)
- Short year
- 155
- Median
- 189
- Long year
- 216
Source NOAA station
AUBURN 2NE, MI US
5.5 mi · 30 yrs of record (1991–2020) · 605 ft elev.
Data from AUBURN 2NE, MI US, 5.5 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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