Calhoun County, Michigan · Frost dates
Calhoun County frost dates.
First-frost, last-frost, and growing-season length for Calhoun County, Michigan. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-17
- 20%
- 05-11
- 50%
- 04-30
- 80%
- 04-20
- 90%
- 04-16
First fall frost
- 10%
- 10-03
- 20%
- 10-09
- 50%
- 10-19
- 80%
- 10-28
- 90%
- 11-02
28°F — killing freeze
Last spring freeze
- 10%
- 05-06
- 20%
- 04-30
- 50%
- 04-19
- 80%
- 04-09
- 90%
- 04-04
First fall freeze
- 10%
- 10-17
- 20%
- 10-22
- 50%
- 11-01
- 80%
- 11-09
- 90%
- 11-14
Growing season length (days, 28°F threshold)
- Short year
- 164
- Median
- 196
- Long year
- 224
Source NOAA station
BATTLE CREEK KELLOGG AP, MI US
13.0 mi · 30 yrs of record (1991–2020) · 928 ft elev.
Data from BATTLE CREEK KELLOGG AP, MI US, 13 miles away with 30-year NOAA record (1991-2020).
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