Huron County, Michigan · Frost dates
Huron County frost dates.
First-frost, last-frost, and growing-season length for Huron County, Michigan. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-21
- 20%
- 05-17
- 50%
- 05-05
- 80%
- 04-26
- 90%
- 04-21
First fall frost
- 10%
- 10-07
- 20%
- 10-13
- 50%
- 10-24
- 80%
- 11-01
- 90%
- 11-05
28°F — killing freeze
Last spring freeze
- 10%
- 05-07
- 20%
- 05-02
- 50%
- 04-21
- 80%
- 04-13
- 90%
- 04-08
First fall freeze
- 10%
- 10-21
- 20%
- 10-27
- 50%
- 11-05
- 80%
- 11-15
- 90%
- 11-19
Growing season length (days, 28°F threshold)
- Short year
- 167
- Median
- 198
- Long year
- 225
Source NOAA station
PORT HOPE, MI US
7.6 mi · 30 yrs of record (1991–2020) · 600 ft elev.
Data from PORT HOPE, MI US, 7.6 miles away with 30-year NOAA record (1991-2020).
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