Last Frost Day

Frost history / Munsing Lakeshore, MI

Munsing Lakeshore, MI: frost dates by year

Last spring and first fall frost at NOAA station USW00054813, 2005 to 2024, measured from daily minimum temperatures.

Elevation 612 ft, 46.417, -86.650. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 22Oct 14
EarliestMay 10 (2010)Sep 18 (2020)
LatestJun 3 (2019)Nov 3 (2007)
Trendlittle change (less than half a day per decade)3.1 days later per decade
Years with data2020

At 28°F (hard freeze) the median last spring date is May 2 and the median first fall date is Oct 31.

The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.

Chart

Last spring frost (32°F)

Apr 30May 15May 30Jun 14201020202005: May 162006: May 212007: May 172008: May 282009: Jun 22010: May 102011: May 272012: May 312013: Jun 32014: May 172015: Jun 12016: May 182017: May 202018: May 132019: Jun 32020: May 132021: May 292022: May 232023: May 252024: May 16

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11201020202005: Oct 92006: Sep 292007: Nov 32008: Oct 182009: Oct 12010: Oct 312011: Oct 12012: Oct 82013: Oct 172014: Oct 112015: Oct 232016: Oct 132017: Oct 252018: Oct 132019: Oct 152020: Sep 182021: Oct 272022: Oct 92023: Oct 302024: Oct 23

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2024May 16Oct 23Apr 25Nov 2
2023May 25Oct 30Apr 19Oct 31
2022May 23Oct 9Apr 28Nov 13
2021May 29Oct 27Apr 22Nov 21
2020May 13Sep 18May 13Oct 19
2019Jun 3Oct 15May 8Oct 30
2018May 13Oct 13May 11Oct 18
2017May 20Oct 25May 9Nov 1
2016May 18Oct 13May 9Nov 23
2015Jun 1Oct 23Apr 25Nov 21
2014May 17Oct 11May 6Nov 9
2013Jun 3Oct 17Apr 21Oct 29
2012May 31Oct 8Apr 29Oct 27
2011May 27Oct 1May 4Nov 4
2010May 10Oct 31May 10Nov 18
2009Jun 2Oct 1May 11Oct 14
2008May 28Oct 18Apr 30Oct 22
2007May 17Nov 3Apr 25Nov 18
2006May 21Sep 29May 6Oct 26
2005May 16Oct 9Apr 30Oct 20

"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991–2020 frost probabilities.