Last Frost Day

Frost history / Montague 4 Nw, MI

Montague 4 Nw, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00205567, 1951 to 2025, measured from daily minimum temperatures.

Elevation 650 ft, 43.461, -86.418. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 22Oct 1
EarliestApr 23 (2014)Aug 16 (1979)
LatestJun 21 (1992)Oct 26 (2017)
Trend1.1 days earlier per decade2.2 days later per decade
Years with data6868

At 28°F (hard freeze) the median last spring date is May 6 and the median first fall date is Oct 15.

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 71953: May 151954: May 261955: May 181956: Jun 21957: May 161958: Jun 71959: May 91960: May 131961: May 301962: Apr 241963: May 241964: Jun 161965: May 301966: Jun 11967: May 221968: May 221969: May 231970: May 71971: May 41972: Jun 111975: May 161976: May 271977: Jun 31978: Jun 141979: May 291980: Jun 111981: May 201982: May 101983: May 271984: May 271985: May 231986: May 131987: May 81988: May 251989: May 281990: Jun 51991: May 91992: Jun 211993: May 221994: Jun 21995: May 61997: May 221998: Jun 12000: Apr 302001: May 302002: May 212003: Jun 22004: May 52005: May 162006: May 232007: May 182008: May 292009: Jun 42012: May 172014: Apr 232015: May 222016: May 192017: May 92018: Apr 302019: May 142020: May 312021: May 142022: May 232023: May 152024: Apr 252025: May 9

First fall frost (32°F)

Jul 29Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 291952: Oct 31953: Oct 51954: Sep 231955: Oct 141956: Sep 181957: Sep 241958: Oct 61959: Sep 161960: Oct 11961: Sep 291962: Sep 211963: Oct 41964: Sep 121965: Aug 291966: Sep 151967: Sep 231968: Oct 211969: Oct 231970: Sep 291971: Oct 121972: Oct 71975: Sep 271976: Sep 221977: Oct 31978: Sep 281979: Aug 161980: Oct 61981: Sep 201982: Oct 171983: Sep 241985: Sep 131986: Sep 61987: Oct 41988: Oct 51989: Sep 241990: Oct 121991: Sep 211992: Sep 231993: Sep 111994: Oct 101995: Sep 101997: Sep 41998: Sep 221999: Sep 222000: Sep 282001: Oct 72002: Oct 102004: Sep 302005: Oct 82006: Oct 62007: Oct 122008: Oct 22009: Sep 162010: Oct 42012: Oct 82013: Oct 232015: Oct 102016: Oct 232017: Oct 262018: Oct 132019: Oct 152020: Sep 192021: Oct 242022: Sep 292023: Oct 172024: Oct 172025: Oct 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
2025May 9Oct 24Apr 17Oct 25
2024Apr 25Oct 17Apr 25Oct 17
2023May 15Oct 17Apr 27Nov 1
2022May 23Sep 29Apr 28Oct 27
2021May 14Oct 24May 14Nov 3
2020May 31Sep 19May 13Oct 30
2019May 14Oct 15Apr 24Oct 26
2018Apr 30Oct 13Apr 30Oct 18
2017May 9Oct 26May 8Oct 26
2016May 19Oct 23Apr 13Nov 12
2015May 22Oct 10May 19Oct 18
2014Apr 23no dataApr 23no data
2013no dataOct 23no dataNov 3
2012May 17Oct 8Apr 29Oct 8
2010no dataOct 4no dataOct 19
2009Jun 4Sep 16May 11Oct 1
2008May 29Oct 2May 29Oct 3
2007May 18Oct 12Apr 16Oct 27
2006May 23Oct 6May 6Oct 26
2005May 16Oct 8May 4Oct 10
2004May 5Sep 30May 5Sep 30
2003Jun 2no dataMay 3no data
2002May 21Oct 10May 21Oct 17
2001May 30Oct 7May 13Oct 8
2000Apr 30Sep 28Apr 29Oct 28
1999no dataSep 22no dataOct 14
1998Jun 1Sep 22Jun 1Oct 22
1997May 22Sep 4May 17Oct 18
1995May 6Sep 10Apr 27Sep 23
1994Jun 2Oct 10Jun 2Oct 10
1993May 22Sep 11May 20Oct 5
1992Jun 21Sep 23May 29Oct 27
1991May 9Sep 21Apr 25Sep 28
1990Jun 5Oct 12May 3Oct 12
1989May 28Sep 24May 17Sep 24
1988May 25Oct 5May 25Oct 7
1987May 8Oct 4May 6Oct 12
1986May 13Sep 6May 3Sep 6
1985May 23Sep 13May 22Oct 11
1984May 27no dataMay 16no data
1983May 27Sep 24May 17Oct 15
1982May 10Oct 17Apr 27Oct 17
1981May 20Sep 20May 7Oct 3
1980Jun 11Oct 6Apr 25Oct 6
1979May 29Aug 16May 22Sep 22
1978Jun 14Sep 28Jun 14Oct 20
1977Jun 3Oct 3May 11Oct 7
1976May 27Sep 22May 19Sep 24
1975May 16Sep 27May 16Oct 11
1972Jun 11Oct 7Apr 26Oct 19
1971May 4Oct 12May 4Nov 1
1970May 7Sep 29May 7Oct 16
1969May 23Oct 23Apr 30Oct 24
1968May 22Oct 21May 6Oct 21
1967May 22Sep 23May 16Oct 20
1966Jun 1Sep 15May 10Oct 6
1965May 30Aug 29Apr 29Oct 4
1964Jun 16Sep 12Apr 11Oct 7
1963May 24Oct 4May 23Oct 28
1962Apr 24Sep 21Apr 24Sep 21
1961May 30Sep 29May 27Oct 3
1960May 13Oct 1Apr 28Oct 25
1959May 9Sep 16Apr 22Oct 19
1958Jun 7Oct 6May 26Oct 12
1957May 16Sep 24May 16Sep 27
1956Jun 2Sep 18May 18Oct 10
1955May 18Oct 14May 18Oct 22
1954May 26Sep 23May 10Oct 7
1953May 15Oct 5Apr 28Oct 7
1952May 7Oct 3Apr 16Oct 10
1951May 13Sep 29Apr 20Oct 28

"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.