Last Frost Day

Frost history / Detour Village, MI

Detour Village, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00202094, 1964 to 2025, measured from daily minimum temperatures.

Elevation 595 ft, 45.998, -83.901. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 12Oct 16
EarliestApr 16 (2007)Sep 13 (1964)
LatestJun 11 (1972)Nov 15 (2000)
Trend2.5 days earlier per decade3.8 days later per decade
Years with data6261

At 28°F (hard freeze) the median last spring date is Apr 24 and the median first fall date is Nov 2.

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 14Jun 291970198019902000201020201964: Jun 81965: May 311966: Jun 21967: May 221968: May 181969: May 261970: May 61971: May 151972: Jun 111973: May 191974: May 161975: May 131976: May 191977: May 101978: May 71979: May 211980: May 171981: May 101982: Apr 301983: May 271984: May 281985: May 81986: May 91987: May 51988: May 151989: May 81990: May 111991: Apr 231992: Apr 291993: Apr 271994: May 31995: Apr 231996: May 131997: May 141998: Apr 181999: Apr 252000: Apr 252001: Apr 252002: May 152003: Apr 302004: May 32005: May 132006: May 62007: Apr 162008: May 282009: May 182010: May 92011: May 32012: May 172013: May 132014: May 172015: May 202016: May 162017: May 92018: May 122019: May 122020: May 132021: May 92022: May 182023: May 22024: Apr 252025: May 8

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261970198019902000201020201964: Sep 131965: Sep 261966: Oct 61967: Oct 71968: Oct 241969: Oct 181970: Oct 161971: Nov 11972: Oct 91973: Sep 171974: Oct 21975: Oct 171976: Oct 171977: Oct 161978: Oct 151979: Oct 81980: Oct 41981: Oct 31982: Oct 171983: Oct 271984: Sep 271985: Oct 111986: Sep 161987: Oct 91989: Oct 81990: Oct 261991: Oct 161992: Oct 51993: Oct 31994: Nov 21995: Oct 311996: Oct 111997: Oct 201998: Oct 221999: Oct 62000: Nov 152001: Oct 72002: Oct 142003: Oct 172004: Nov 82005: Nov 102006: Oct 122007: Nov 72008: Oct 292009: Oct 112010: Oct 222011: Oct 282012: Oct 122013: Oct 222014: Oct 112015: Oct 172016: Nov 122017: Oct 292018: Oct 122019: Oct 302020: Oct 162021: Oct 222022: Oct 202023: Oct 302024: Nov 22025: Nov 3

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

"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.