Osceola County, Michigan · Frost dates
Osceola County frost dates.
First-frost, last-frost, and growing-season length for Osceola County, Michigan. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-30
- 20%
- 05-25
- 50%
- 05-15
- 80%
- 05-04
- 90%
- 04-30
First fall frost
- 10%
- 09-18
- 20%
- 09-22
- 50%
- 10-01
- 80%
- 10-10
- 90%
- 10-16
28°F — killing freeze
Last spring freeze
- 10%
- 05-19
- 20%
- 05-13
- 50%
- 05-03
- 80%
- 04-25
- 90%
- 04-22
First fall freeze
- 10%
- 09-28
- 20%
- 10-03
- 50%
- 10-13
- 80%
- 10-23
- 90%
- 10-28
Growing season length (days, 28°F threshold)
- Short year
- 132
- Median
- 163
- Long year
- 189
Source NOAA station
CADILLAC 9&10 NEWS, MI US
15.4 mi · 30 yrs of record (1991–2020) · 1363 ft elev.
Data from CADILLAC 9&10 NEWS, MI US, 15.4 miles away with 30-year NOAA record (1991-2020).
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