Last Frost Day

Frost history / Maple City 1E, MI

Maple City 1E, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00205097, 1959 to 2025, measured from daily minimum temperatures.

Elevation 799 ft, 44.855, -85.835. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 24Oct 7
EarliestApr 26 (2024)Sep 2 (1976)
LatestJun 22 (1992)Nov 3 (2021)
Trend2.4 days earlier per decade2.2 days later per decade
Years with data5656

At 28°F (hard freeze) the median last spring date is May 10 and the median first fall date is Oct 23.

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 2919601970198019902000201020201960: May 131961: May 301962: May 91963: May 241964: Jun 41965: May 131966: Jun 11967: May 311968: May 221969: May 261970: May 271971: May 281972: Jun 171973: May 301974: May 261975: May 161976: May 231977: Jun 91978: Jun 141979: May 251980: Jun 161981: May 311982: Jun 41983: May 281984: May 301985: May 211986: Jun 21987: May 151988: May 251989: May 111990: May 301991: May 201992: Jun 221993: May 191994: Jun 21995: May 31997: Jun 172002: May 242003: Jun 12004: May 32005: May 172006: May 232007: May 172008: May 282009: May 312010: May 102011: May 172012: May 172013: May 252014: May 162015: May 222020: May 132022: May 42023: May 172024: Apr 262025: May 11

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201959: Oct 191960: Oct 11961: Oct 161962: Oct 211963: Sep 131964: Oct 61965: Sep 271966: Oct 61967: Oct 71968: Oct 211969: Oct 221970: Oct 111971: Nov 11972: Oct 101973: Sep 211974: Sep 231975: Sep 251976: Sep 21977: Oct 71978: Oct 141979: Sep 221980: Sep 281981: Sep 231982: Oct 171983: Oct 91984: Sep 301985: Sep 251986: Sep 161987: Oct 121988: Oct 71989: Sep 241990: Sep 181991: Sep 281992: Sep 231993: Sep 301994: Oct 31996: Oct 41997: Oct 222002: Oct 102003: Oct 12004: Oct 52005: Oct 92006: Oct 122007: Oct 252008: Oct 172009: Oct 102010: Oct 42011: Oct 152012: Oct 102019: Oct 182020: Sep 192021: Nov 32022: Oct 272023: Oct 232024: Nov 22025: Oct 26

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

"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.