Marquette County, Michigan · Frost dates
Marquette County frost dates.
First-frost, last-frost, and growing-season length for Marquette County, Michigan. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 06-04
- 20%
- 06-01
- 50%
- 05-22
- 80%
- 05-11
- 90%
- 05-06
First fall frost
- 10%
- 09-11
- 20%
- 09-18
- 50%
- 09-29
- 80%
- 10-07
- 90%
- 10-12
28°F — killing freeze
Last spring freeze
- 10%
- 05-23
- 20%
- 05-18
- 50%
- 05-08
- 80%
- 04-29
- 90%
- 04-26
First fall freeze
- 10%
- 09-24
- 20%
- 10-01
- 50%
- 10-10
- 80%
- 10-21
- 90%
- 10-26
Growing season length (days, 28°F threshold)
- Short year
- 124
- Median
- 155
- Long year
- 183
Source NOAA station
MARQUETTE, MI US
8.8 mi · 30 yrs of record (1991–2020) · 1411 ft elev.
Data from MARQUETTE, MI US, 8.8 miles away with 30-year NOAA record (1991-2020).
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