Last Frost Day

Frost history / W Branch 3SE, MI

W Branch 3SE, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00208800, 1951 to 2025, measured from daily minimum temperatures.

Elevation 885 ft, 44.254, -84.201. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 20Sep 29
EarliestApr 27 (2024)Aug 29 (1982)
LatestJun 14 (1958)Oct 29 (1963)
Trend1.4 days earlier per decade1.5 days later per decade
Years with data7173

At 28°F (hard freeze) the median last spring date is May 4 and the median first fall date is Oct 12.

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 191953: May 231954: May 261955: May 201956: Jun 21957: May 281958: Jun 141959: May 171960: May 81961: May 271962: May 91963: May 241964: Jun 31966: Jun 11967: May 221968: May 71969: May 261970: May 71971: May 141972: Jun 111973: May 181974: May 101975: Apr 281976: May 191977: Jun 31979: May 221980: Jun 111981: May 201982: Jun 41983: May 271984: May 271985: Jun 31987: May 131988: May 141989: May 281990: May 121991: May 81992: May 271993: May 171994: May 271995: May 81996: May 301997: May 201999: May 92000: May 202001: May 132002: May 252003: May 222004: May 292005: May 172006: May 232007: May 182008: May 282009: May 312010: May 112011: May 12012: May 172013: May 252014: May 172015: May 232016: May 192017: May 102018: May 12019: May 112020: May 142021: May 132022: May 82023: May 262024: Apr 272025: May 9

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 291952: Sep 271953: Sep 141954: Sep 91955: Sep 121956: Sep 91957: Sep 241958: Oct 11959: Sep 161960: Oct 11961: Sep 281962: Oct 211963: Oct 291964: Sep 121965: Sep 271966: Sep 241967: Sep 231968: Oct 111969: Oct 91970: Sep 291971: Oct 71972: Sep 221973: Sep 211974: Sep 221975: Oct 21977: Oct 61978: Oct 141979: Sep 201980: Sep 271981: Sep 231982: Aug 291984: Sep 171985: Sep 251986: Sep 71987: Oct 11988: Oct 31989: Sep 231990: Sep 171991: Sep 211992: Sep 231993: Sep 251994: Oct 21995: Sep 231996: Oct 31997: Sep 241998: Oct 21999: Sep 222000: Sep 252001: Oct 62002: Oct 82003: Oct 12004: Sep 302005: Oct 102006: Sep 292007: Sep 162008: Oct 32009: Oct 12010: Oct 42011: Sep 162012: Sep 242013: Sep 172014: Oct 92015: Oct 172016: Oct 102017: Oct 12018: Oct 162019: Oct 52020: Sep 192021: Oct 222022: Sep 292023: Oct 122024: Oct 92025: Oct 9

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 9Apr 30Oct 26
2024Apr 27Oct 9Apr 27Oct 17
2023May 26Oct 12Apr 28Oct 23
2022May 8Sep 29May 2Oct 21
2021May 13Oct 22May 10Nov 3
2020May 14Sep 19May 14Oct 16
2019May 11Oct 5Apr 12Oct 15
2018May 1Oct 16May 1Oct 18
2017May 10Oct 1May 9Oct 26
2016May 19Oct 10Apr 28Oct 26
2015May 23Oct 17Apr 26Oct 19
2014May 17Oct 9Apr 24Oct 12
2013May 25Sep 17Apr 27Oct 23
2012May 17Sep 24Apr 30Oct 8
2011May 1Sep 16Apr 19Oct 22
2010May 11Oct 4May 10Oct 19
2009May 31Oct 1May 18Oct 11
2008May 28Oct 3May 1Oct 22
2007May 18Sep 16Apr 16Oct 12
2006May 23Sep 29Apr 29Oct 13
2005May 17Oct 10May 5Oct 17
2004May 29Sep 30May 4Oct 5
2003May 22Oct 1May 4Oct 1
2002May 25Oct 8May 19Oct 14
2001May 13Oct 6Apr 25Oct 7
2000May 20Sep 25Apr 27Sep 28
1999May 9Sep 22Apr 30Oct 7
1998no dataOct 2no dataOct 22
1997May 20Sep 24May 7Oct 18
1996May 30Oct 3May 13Oct 3
1995May 8Sep 23Apr 26Sep 23
1994May 27Oct 2May 13Oct 10
1993May 17Sep 25Apr 27Sep 30
1992May 27Sep 23May 26Sep 23
1991May 8Sep 21Apr 23Sep 28
1990May 12Sep 17May 3Oct 20
1989May 28Sep 23May 7Sep 24
1988May 14Oct 3Apr 25Oct 6
1987May 13Oct 1May 5Oct 13
1986no dataSep 7no dataOct 10
1985Jun 3Sep 25Apr 12Oct 11
1984May 27Sep 17May 10Oct 1
1983May 27no dataMay 17no data
1982Jun 4Aug 29Apr 29Oct 17
1981May 20Sep 23May 2Oct 13
1980Jun 11Sep 27Apr 24Oct 10
1979May 22Sep 20May 16Oct 11
1978no dataOct 14no dataOct 15
1977Jun 3Oct 6May 10Oct 6
1976May 19no dataMay 4no data
1975Apr 28Oct 2Apr 28Oct 26
1974May 10Sep 22May 7Sep 22
1973May 18Sep 21May 18Nov 5
1972Jun 11Sep 22Jun 11Oct 9
1971May 14Oct 7May 13Nov 1
1970May 7Sep 29May 6Sep 29
1969May 26Oct 9Apr 20Oct 15
1968May 7Oct 11May 6Oct 26
1967May 22Sep 23May 10Oct 20
1966Jun 1Sep 24May 13Oct 18
1965no dataSep 27no dataSep 27
1964Jun 3Sep 12Apr 25Sep 28
1963May 24Oct 29May 23Oct 30
1962May 9Oct 21Apr 24Oct 24
1961May 27Sep 28May 17Sep 29
1960May 8Oct 1Apr 28Oct 20
1959May 17Sep 16May 1Sep 17
1958Jun 14Oct 1May 26Oct 5
1957May 28Sep 24May 16Sep 27
1956Jun 2Sep 9May 25Sep 20
1955May 20Sep 12May 9Oct 1
1954May 26Sep 9May 26Oct 7
1953May 23Sep 14May 15Oct 5
1952May 19Sep 27May 17Oct 3
1951May 13Sep 29May 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.