Leelanau County, Michigan · Frost dates
Leelanau County frost dates.
First-frost, last-frost, and growing-season length for Leelanau County, Michigan. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-24
- 20%
- 05-19
- 50%
- 05-09
- 80%
- 04-29
- 90%
- 04-24
First fall frost
- 10%
- 10-11
- 20%
- 10-15
- 50%
- 10-26
- 80%
- 11-05
- 90%
- 11-10
28°F — killing freeze
Last spring freeze
- 10%
- 05-12
- 20%
- 05-07
- 50%
- 04-27
- 80%
- 04-17
- 90%
- 04-12
First fall freeze
- 10%
- 10-25
- 20%
- 10-30
- 50%
- 11-08
- 80%
- 11-18
- 90%
- 11-23
Growing season length (days, 28°F threshold)
- Short year
- 166
- Median
- 195
- Long year
- 225
Source NOAA station
NORTHPORT 2W, MI US
19.7 mi · 30 yrs of record (1991–2020) · 746 ft elev.
Data from NORTHPORT 2W, MI US, 19.7 miles away with 30-year NOAA record (1991-2020).
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