Last Frost Day

Frost history / Marquette, MI

Marquette, MI: frost dates by year

Last spring and first fall frost at NOAA station USW00014838, 1951 to 2024, measured from daily minimum temperatures.

Elevation 665 ft, 46.546, -87.379. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 9Oct 19
EarliestApr 16 (2007)Sep 23 (1995)
LatestJun 8 (1980)Nov 24 (2024)
Trend1.8 days earlier per decade1.8 days later per decade
Years with data7072

At 28°F (hard freeze) the median last spring date is Apr 26 and the median first fall date is Nov 5.

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)

Mar 31Apr 15Apr 30May 15May 30Jun 1419601970198019902000201020201951: May 131952: May 31953: May 131954: May 261955: May 171956: May 241957: May 161958: May 91959: May 151960: May 131961: May 171962: May 91963: May 231964: Apr 251965: Apr 281966: May 131967: May 221968: May 51969: May 261970: May 61971: May 121972: May 81973: May 31974: May 91975: Apr 251976: May 71977: May 91978: May 41980: Jun 81981: May 181982: May 91983: May 271984: May 161985: May 21986: May 31987: May 41988: May 181989: May 111990: May 131991: May 191992: May 251993: May 11994: May 271995: Apr 261996: May 301997: May 161998: Apr 281999: Apr 242000: Apr 242001: Apr 172004: May 42005: May 32006: Apr 282007: Apr 162008: May 42009: Apr 292010: Apr 232011: Apr 232012: Apr 292013: Apr 242015: May 202016: May 202017: May 92018: May 122019: May 82020: May 132021: Apr 272022: May 52023: May 32024: Apr 29

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Oct 241952: Oct 31953: Nov 11954: Oct 71955: Oct 241956: Nov 71957: Oct 251958: Nov 71959: Oct 141960: Oct 191961: Oct 31962: Oct 231963: Nov 21964: Oct 51965: Sep 261966: Oct 131967: Oct 191968: Oct 251969: Oct 211970: Oct 191971: Nov 11972: Oct 161973: Nov 41974: Oct 11975: Oct 191976: Oct 161977: Oct 231978: Oct 141979: Oct 101980: Oct 131981: Oct 31982: Oct 171983: Oct 211984: Sep 261985: Sep 251986: Oct 101987: Oct 101988: Oct 111989: Sep 241990: Oct 111991: Sep 281992: Oct 131993: Sep 301994: Nov 21995: Sep 231996: Oct 101997: Oct 211998: Nov 31999: Oct 32000: Oct 282001: Oct 282003: Oct 272004: Nov 82005: Nov 112006: Oct 122007: Nov 72008: Oct 222009: Oct 112010: Oct 292011: Nov 172012: Nov 62014: Oct 312015: Sep 302016: Nov 122017: Oct 292018: Oct 132019: Oct 292020: Oct 172021: Nov 22022: Nov 122023: Oct 292024: Nov 24

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 29Nov 24Apr 25Nov 26
2023May 3Oct 29Apr 19Oct 31
2022May 5Nov 12Apr 28Nov 13
2021Apr 27Nov 2Apr 24Nov 21
2020May 13Oct 17May 13Oct 27
2019May 8Oct 29Apr 15Oct 31
2018May 12Oct 13Apr 30Nov 9
2017May 9Oct 29Apr 12Oct 29
2016May 20Nov 12May 16Nov 19
2015May 20Sep 30Apr 24Nov 20
2014no dataOct 31no dataNov 9
2013Apr 24no dataApr 21no data
2012Apr 29Nov 6Apr 28Nov 13
2011Apr 23Nov 17Apr 1Nov 17
2010Apr 23Oct 29Apr 22Nov 6
2009Apr 29Oct 11Apr 13Dec 4
2008May 4Oct 22Apr 15Nov 9
2007Apr 16Nov 7Apr 13Nov 16
2006Apr 28Oct 12Apr 8Oct 12
2005May 3Nov 11Mar 27Nov 17
2004May 4Nov 8Apr 27Nov 9
2003no dataOct 27no dataNov 6
2001Apr 17Oct 28Mar 28Nov 5
2000Apr 24Oct 28Apr 11Nov 15
1999Apr 24Oct 3Apr 24Nov 30
1998Apr 28Nov 3Apr 6Nov 12
1997May 16Oct 21Apr 18Oct 22
1996May 30Oct 10May 6Oct 11
1995Apr 26Sep 23Apr 26Nov 3
1994May 27Nov 2May 27Nov 16
1993May 1Sep 30Apr 26Oct 13
1992May 25Oct 13May 6Oct 18
1991May 19Sep 28Apr 24Oct 15
1990May 13Oct 11May 11Nov 8
1989May 11Sep 24May 6Oct 9
1988May 18Oct 11Apr 22Oct 13
1987May 4Oct 10May 4Oct 11
1986May 3Oct 10May 3Nov 1
1985May 2Sep 25Apr 17Nov 8
1984May 16Sep 26May 4Oct 29
1983May 27Oct 21May 17Nov 5
1982May 9Oct 17Apr 28Oct 22
1981May 18Oct 3May 18Oct 3
1980Jun 8Oct 13Apr 24Oct 28
1979no dataOct 10no dataOct 14
1978May 4Oct 14Apr 22Nov 15
1977May 9Oct 23Apr 28Nov 11
1976May 7Oct 16May 6Oct 23
1975Apr 25Oct 19Apr 21Nov 13
1974May 9Oct 1May 8Nov 13
1973May 3Nov 4Apr 13Nov 4
1972May 8Oct 16Apr 25Oct 17
1971May 12Nov 1Apr 27Nov 6
1970May 6Oct 19Apr 12Nov 14
1969May 26Oct 21Apr 6Oct 22
1968May 5Oct 25Apr 25Nov 18
1967May 22Oct 19May 4Nov 4
1966May 13Oct 13May 10Oct 29
1965Apr 28Sep 26Apr 28Oct 28
1964Apr 25Oct 5Apr 19Oct 6
1963May 23Nov 2May 22Nov 23
1962May 9Oct 23Apr 20Oct 24
1961May 17Oct 3May 1Nov 6
1960May 13Oct 19May 1Oct 23
1959May 15Oct 14Apr 27Oct 27
1958May 9Nov 7May 5Nov 24
1957May 16Oct 25May 16Nov 8
1956May 24Nov 7Apr 29Nov 9
1955May 17Oct 24May 9Nov 7
1954May 26Oct 7May 6Oct 30
1953May 13Nov 1Apr 29Nov 4
1952May 3Oct 3Apr 12Oct 5
1951May 13Oct 24May 13Oct 31

"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.