Last Frost Day

Frost history / Cadillac 9&10 News, MI

Cadillac 9&10 News, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00201178, 2009 to 2024, measured from daily minimum temperatures.

Elevation 1,363 ft, 44.211, -85.409. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 14Oct 7
EarliestApr 25 (2024)Sep 14 (2013)
LatestJun 3 (2013)Oct 26 (2017)
Trend11.5 days earlier per decade13.7 days later per decade
Years with data1314

At 28°F (hard freeze) the median last spring date is Apr 30 and the median first fall date is Oct 19.

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 15Apr 30May 15May 30Jun 14201020202010: May 162011: May 82012: May 182013: Jun 32014: May 182015: May 232018: May 122019: May 112020: May 142021: May 132022: Apr 292023: May 152024: Apr 25

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11201020202009: Oct 12010: Oct 42011: Sep 162012: Oct 12013: Sep 142014: Oct 92017: Oct 262018: Oct 142019: Oct 142020: Oct 42021: Oct 242022: Sep 282023: Oct 232024: Oct 10

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
2024Apr 25Oct 10Apr 20Nov 2
2023May 15Oct 23Apr 27Oct 23
2022Apr 29Sep 28Apr 29Nov 12
2021May 13Oct 24Apr 23Nov 2
2020May 14Oct 4May 14Oct 17
2019May 11Oct 14Apr 29Oct 21
2018May 12Oct 14Apr 30Oct 18
2017no dataOct 26no dataOct 26
2015May 23no dataApr 29no data
2014May 18Oct 9May 17Oct 11
2013Jun 3Sep 14May 14Oct 24
2012May 18Oct 1Apr 30Oct 11
2011May 8Sep 16May 5Oct 2
2010May 16Oct 4May 11Oct 4
2009no dataOct 1no dataOct 1

"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 to 2020 frost probabilities.