Last Frost Day

Frost history / Gladwin, MI

Gladwin, MI: frost dates by year

Last spring and first fall frost at NOAA station USW00014828, 1951 to 2024, measured from daily minimum temperatures.

Elevation 775 ft, 43.976, -84.491. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 14Sep 29
EarliestApr 22 (2011)Sep 4 (1974)
LatestJun 11 (1972)Oct 23 (2023)
Trend1.7 days earlier per decade3.4 days later per decade
Years with data6867

At 28°F (hard freeze) the median last spring date is Apr 30 and the median first fall date is Oct 13.

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 2919601970198019902000201020201951: May 131952: May 31953: May 151954: May 261955: May 181956: May 241957: May 171958: May 291959: May 91960: May 81963: May 241964: Jun 41965: May 301966: Jun 11967: May 211968: May 181969: May 211970: May 71971: May 131972: Jun 111973: May 251974: May 101975: May 81978: May 71981: May 181982: May 91983: May 271984: May 161985: May 231986: May 41987: May 131988: May 251989: May 111990: May 121991: May 81992: May 271993: May 161994: May 181995: May 61996: May 141997: May 201998: Apr 291999: Apr 302000: May 162001: Apr 292002: May 202003: May 42004: May 52005: May 122006: May 72007: May 142008: May 292009: May 192010: May 112011: Apr 222012: May 182013: May 142014: Apr 242015: May 212016: May 162017: May 102018: May 12019: May 112020: May 142021: May 142022: May 82023: May 182024: Apr 27

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 281952: Sep 271953: Sep 141954: Oct 71955: Sep 121956: Sep 201957: Sep 241958: Sep 291959: Sep 171960: Sep 301961: Sep 291962: Sep 61963: Sep 141964: Sep 121965: Sep 261966: Sep 261967: Sep 111968: Oct 41969: Oct 141970: Sep 291971: Sep 211972: Sep 231973: Sep 191974: Sep 41975: Sep 131977: Oct 41981: Oct 31983: Sep 241984: Sep 271985: Sep 251986: Sep 71987: Oct 41988: Oct 61989: Sep 241990: Sep 181991: Sep 211992: Sep 231993: Sep 291994: Oct 11995: Sep 231996: Oct 31998: Oct 211999: Oct 32000: Sep 282001: Oct 72002: Oct 142003: Oct 12004: Sep 302005: Oct 202006: Oct 62007: Oct 142008: Oct 42009: Oct 12010: Oct 42011: Oct 222012: Sep 242013: Oct 222014: Oct 122015: Oct 192016: Oct 142018: Oct 162019: Oct 142020: Sep 202021: Oct 222022: Oct 82023: 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 27Oct 10Apr 26Oct 17
2023May 18Oct 23Apr 28Oct 23
2022May 8Oct 8Apr 30Oct 21
2021May 14Oct 22May 1Nov 3
2020May 14Sep 20May 14Oct 16
2019May 11Oct 14Apr 12Oct 15
2018May 1Oct 16Apr 29Oct 18
2017May 10no dataApr 10no data
2016May 16Oct 14Apr 11Nov 12
2015May 21Oct 19Apr 25Nov 8
2014Apr 24Oct 12Apr 20Nov 2
2013May 14Oct 22May 13Oct 24
2012May 18Sep 24Apr 29Oct 8
2011Apr 22Oct 22Apr 22Oct 22
2010May 11Oct 4May 11Oct 22
2009May 19Oct 1Apr 23Oct 11
2008May 29Oct 4May 1Oct 22
2007May 14Oct 14Apr 15Oct 29
2006May 7Oct 6Apr 29Oct 13
2005May 12Oct 20May 5Oct 28
2004May 5Sep 30May 4Oct 5
2003May 4Oct 1May 4Oct 2
2002May 20Oct 14Apr 27Oct 14
2001Apr 29Oct 7Apr 27Oct 7
2000May 16Sep 28Apr 13Oct 10
1999Apr 30Oct 3Apr 25Oct 7
1998Apr 29Oct 21Apr 29Oct 22
1997May 20no dataMay 7no data
1996May 14Oct 3May 13Oct 3
1995May 6Sep 23Apr 25Oct 17
1994May 18Oct 1May 13Oct 11
1993May 16Sep 29Apr 27Sep 30
1992May 27Sep 23May 26Oct 18
1991May 8Sep 21Apr 23Sep 27
1990May 12Sep 18May 3Oct 12
1989May 11Sep 24May 10Sep 27
1988May 25Oct 6Apr 25Oct 12
1987May 13Oct 4May 5Oct 13
1986May 4Sep 7May 4Oct 10
1985May 23Sep 25Apr 10Oct 28
1984May 16Sep 27May 10Oct 23
1983May 27Sep 24May 17Oct 27
1982May 9no dataApr 28no data
1981May 18Oct 3May 18Oct 3
1978May 7no dataMay 3no data
1977no dataOct 4no dataOct 7
1975May 8Sep 13Apr 29Oct 6
1974May 10Sep 4May 7Oct 2
1973May 25Sep 19May 18Nov 4
1972Jun 11Sep 23Apr 27Oct 9
1971May 13Sep 21Apr 27Nov 1
1970May 7Sep 29May 6Oct 15
1969May 21Oct 14Apr 20Oct 15
1968May 18Oct 4Apr 28Oct 29
1967May 21Sep 11May 16Sep 23
1966Jun 1Sep 26May 13Oct 6
1965May 30Sep 26Apr 29Sep 27
1964Jun 4Sep 12Apr 25Sep 29
1963May 24Sep 14May 23Oct 30
1962no dataSep 6no dataSep 30
1961no dataSep 29no dataSep 29
1960May 8Sep 30Apr 28Oct 1
1959May 9Sep 17May 1Oct 18
1958May 29Sep 29May 29Oct 5
1957May 17Sep 24May 3Sep 28
1956May 24Sep 20May 24Sep 21
1955May 18Sep 12May 9Oct 21
1954May 26Oct 7May 8Oct 20
1953May 15Sep 14Apr 24Oct 7
1952May 3Sep 27Apr 11Oct 5
1951May 13Sep 28May 13Sep 29

"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.