Last Frost Day

Frost history / Cadillac, MI

Cadillac, MI: frost dates by year

Last spring and first fall frost at NOAA station USW00014817, 1951 to 2024, measured from daily minimum temperatures.

Elevation 1,295 ft, 44.266, -85.397. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 30Sep 20
EarliestApr 26 (2024)Aug 5 (1971)
LatestJul 6 (1965)Oct 30 (1963)
Trend2.5 days earlier per decade3.5 days later per decade
Years with data6972

At 28°F (hard freeze) the median last spring date is May 13 and the median first fall date is Oct 7.

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 14Jun 29Jul 1419601970198019902000201020201951: Jun 71952: Jun 41953: Jun 21954: Jun 61955: Jun 11956: May 241957: May 161958: Jun 61959: May 151960: May 131961: May 301962: May 91963: May 231965: Jul 61966: Jun 21967: May 301968: May 251969: Jun 211970: Jun 251971: Jun 101972: Jul 51973: May 301974: May 271975: May 131976: May 261977: Jun 101978: Jun 141979: Jun 251980: Jun 111981: May 311982: Jun 51983: Jun 81984: May 311985: Jun 61986: Jun 21987: Jun 101988: Jun 101989: May 281990: May 111991: May 201992: Jun 221993: May 201994: Jun 31995: May 211996: May 301997: May 271998: Jun 51999: May 102003: May 312005: May 172006: May 232007: May 182008: May 282009: May 312010: May 152011: May 162012: May 172013: May 252014: May 172015: May 232016: May 182017: May 92018: May 112019: Jun 12020: May 312021: May 302022: May 82023: May 172024: Apr 26

First fall frost (32°F)

Jul 29Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Aug 231952: Aug 231953: Sep 141954: Sep 221955: Sep 71956: Sep 91957: Sep 271958: Oct 111959: Sep 161960: Sep 281961: Sep 291962: Sep 61963: Oct 301965: Sep 111966: Sep 161967: Sep 231968: Aug 281969: Sep 101970: Sep 291971: Aug 51972: Sep 31973: Sep 171974: Sep 41975: Sep 141976: Aug 301977: Aug 251978: Sep 281979: Aug 161980: Sep 271981: Sep 201982: Aug 291983: Sep 151984: Sep 51985: Sep 121986: Aug 281987: Sep 31988: Sep 151989: Sep 141990: Sep 171991: Sep 211992: Sep 201993: Sep 161994: Oct 21995: Sep 91996: Oct 21997: Sep 241998: Sep 231999: Sep 212001: Oct 72002: Oct 72003: Oct 12004: Aug 202005: Oct 82006: Sep 292007: Sep 162008: Oct 32009: Oct 12010: Sep 192011: Oct 22012: Sep 242013: Sep 172014: Oct 92015: Oct 172016: Oct 102017: Sep 302018: Oct 182019: Oct 152020: Sep 192021: Oct 182022: Sep 232023: Oct 122024: Oct 5

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 26Oct 5Apr 25Oct 10
2023May 17Oct 12Apr 27Oct 23
2022May 8Sep 23Apr 29Oct 3
2021May 30Oct 18May 13Oct 18
2020May 31Sep 19May 13Oct 16
2019Jun 1Oct 15Apr 28Oct 18
2018May 11Oct 18Apr 30Oct 18
2017May 9Sep 30May 9Oct 26
2016May 18Oct 10Apr 27Oct 28
2015May 23Oct 17May 20Oct 18
2014May 17Oct 9Apr 23Oct 11
2013May 25Sep 17May 13Oct 30
2012May 17Sep 24Apr 30Oct 8
2011May 16Oct 2Apr 21Oct 2
2010May 15Sep 19May 10Oct 3
2009May 31Oct 1May 11Oct 1
2008May 28Oct 3May 28Oct 5
2007May 18Sep 16Apr 17Oct 25
2006May 23Sep 29May 6Oct 6
2005May 17Oct 8May 17Oct 8
2004no dataAug 20no dataOct 4
2003May 31Oct 1May 21Oct 1
2002no dataOct 7no dataOct 13
2001no dataOct 7no dataOct 7
1999May 10Sep 21Apr 25Oct 7
1998Jun 5Sep 23Jun 5Oct 29
1997May 27Sep 24May 18Sep 24
1996May 30Oct 2May 29Oct 3
1995May 21Sep 9May 5Sep 22
1994Jun 3Oct 2May 13Oct 10
1993May 20Sep 16May 16Sep 30
1992Jun 22Sep 20May 27Sep 23
1991May 20Sep 21Apr 18Sep 21
1990May 11Sep 17May 3Oct 12
1989May 28Sep 14May 11Sep 24
1988Jun 10Sep 15May 14Oct 7
1987Jun 10Sep 3Jun 10Oct 12
1986Jun 2Aug 28May 3Oct 10
1985Jun 6Sep 12Apr 18Oct 11
1984May 31Sep 5May 17Sep 30
1983Jun 8Sep 15May 27Oct 9
1982Jun 5Aug 29May 9Aug 29
1981May 31Sep 20May 18Sep 23
1980Jun 11Sep 27May 16Sep 28
1979Jun 25Aug 16May 22Sep 22
1978Jun 14Sep 28May 7Oct 17
1977Jun 10Aug 25Jun 3Oct 7
1976May 26Aug 30May 19Sep 2
1975May 13Sep 14May 13Oct 7
1974May 27Sep 4May 10Oct 3
1973May 30Sep 17May 19Sep 17
1972Jul 5Sep 3Jun 11Sep 23
1971Jun 10Aug 5May 22Sep 25
1970Jun 25Sep 29May 7Oct 1
1969Jun 21Sep 10Jun 21Oct 15
1968May 25Aug 28May 11Oct 21
1967May 30Sep 23May 22Sep 23
1966Jun 2Sep 16Jun 1Sep 25
1965Jul 6Sep 11Apr 28Sep 27
1963May 23Oct 30May 23Nov 23
1962May 9Sep 6Apr 20Oct 24
1961May 30Sep 29May 10Oct 3
1960May 13Sep 28May 1Oct 24
1959May 15Sep 16May 1Oct 18
1958Jun 6Oct 11May 26Oct 12
1957May 16Sep 27May 16Sep 27
1956May 24Sep 9May 24Oct 11
1955Jun 1Sep 7May 31Sep 7
1954Jun 6Sep 22May 26Sep 23
1953Jun 2Sep 14May 23Sep 14
1952Jun 4Aug 23May 19Sep 17
1951Jun 7Aug 23May 13Sep 8

"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.