Last Frost Day

Frost history / Hale Loud Dam, MI

Hale Loud Dam, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00203529, 1951 to 2025, measured from daily minimum temperatures.

Elevation 728 ft, 44.463, -83.722. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 18Oct 1
EarliestApr 29 (2001)Aug 23 (2003)
LatestJun 20 (1961)Oct 24 (2025)
Trend0.8 days earlier per decade1.6 days later per decade
Years with data6570

At 28°F (hard freeze) the median last spring date is May 8 and the median first fall date is Oct 13.

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 161953: May 151954: May 261955: May 201956: May 251957: May 171958: May 291961: Jun 201962: May 101963: May 241964: Jun 51965: May 301966: Jun 21967: May 231968: May 181969: May 261970: May 71971: May 151972: Jun 111973: May 201974: May 101975: May 131976: May 131978: May 71979: May 61980: Jun 111981: May 181982: Jun 41983: May 271984: May 271985: May 81986: May 41987: May 131988: May 261989: May 71991: May 81994: May 181995: May 81997: May 271998: Jun 51999: May 142000: May 202001: Apr 292002: May 292003: May 232005: May 172006: May 232007: May 182008: May 282009: May 312010: May 112012: May 192013: May 272015: May 232016: May 182017: May 112018: May 132019: May 112020: May 132021: May 292022: May 52023: May 262024: May 72025: May 20

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 261952: Oct 31953: Sep 221954: Oct 61955: Oct 11956: Sep 181957: Sep 261958: Sep 291959: Sep 171960: Sep 301961: Sep 281962: Oct 231963: Sep 141964: Sep 131965: Sep 271966: Sep 251967: Oct 71968: Oct 61969: Oct 91970: Sep 291971: Oct 81972: Sep 221973: Sep 171974: Sep 221975: Sep 141976: Sep 241977: Oct 61978: Oct 91979: Oct 101980: Sep 271981: Oct 31982: Oct 161983: Sep 241984: Sep 271985: Sep 251986: Sep 71987: Oct 11988: Oct 41989: Sep 241990: Sep 181993: Sep 301994: Oct 101995: Sep 231996: Oct 31997: Oct 181998: Oct 221999: Sep 222000: Sep 262001: Oct 62002: Oct 82003: Aug 232004: Oct 32005: Oct 172006: Sep 292007: Sep 162008: Oct 32009: Oct 12010: Oct 42011: Sep 152012: Sep 242015: Oct 172016: Oct 102018: Oct 162019: Oct 142020: Sep 192021: Oct 222022: Oct 32023: Oct 232024: Oct 92025: 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 20Oct 24Apr 20Oct 27
2024May 7Oct 9Apr 26Oct 17
2023May 26Oct 23May 18Oct 23
2022May 5Oct 3Apr 30Oct 21
2021May 29Oct 22May 9Nov 2
2020May 13Sep 19May 13Oct 19
2019May 11Oct 14May 8Oct 15
2018May 13Oct 16May 11Oct 16
2017May 11no dataMay 10no data
2016May 18Oct 10May 10Oct 26
2015May 23Oct 17May 23Oct 17
2013May 27no dataApr 26no data
2012May 19Sep 24Apr 29Oct 7
2011no dataSep 15no dataOct 23
2010May 11Oct 4May 10Oct 19
2009May 31Oct 1May 18Oct 11
2008May 28Oct 3May 28Oct 7
2007May 18Sep 16May 8Oct 28
2006May 23Sep 29Apr 29Oct 13
2005May 17Oct 17May 6Oct 28
2004no dataOct 3no dataOct 5
2003May 23Aug 23May 4Sep 26
2002May 29Oct 8May 29Oct 14
2001Apr 29Oct 6Apr 29Oct 6
2000May 20Sep 26May 15Oct 12
1999May 14Sep 22Apr 27Oct 7
1998Jun 5Oct 22Apr 29Oct 22
1997May 27Oct 18May 11Oct 18
1996no dataOct 3no dataOct 11
1995May 8Sep 23May 8Sep 23
1994May 18Oct 10May 4Oct 27
1993no dataSep 30no dataOct 5
1991May 8no dataApr 23no data
1990no dataSep 18no dataOct 20
1989May 7Sep 24Apr 23Sep 27
1988May 26Oct 4Apr 25Oct 12
1987May 13Oct 1May 4Oct 11
1986May 4Sep 7May 4Oct 10
1985May 8Sep 25Apr 17Oct 17
1984May 27Sep 27Apr 22Oct 24
1983May 27Sep 24May 16Oct 20
1982Jun 4Oct 16Apr 28Oct 17
1981May 18Oct 3Apr 27Oct 13
1980Jun 11Sep 27May 10Sep 27
1979May 6Oct 10May 5Oct 10
1978May 7Oct 9May 4Oct 15
1977no dataOct 6no dataOct 14
1976May 13Sep 24May 10Sep 24
1975May 13Sep 14Apr 28Oct 26
1974May 10Sep 22May 8Oct 2
1973May 20Sep 17May 18Oct 19
1972Jun 11Sep 22May 10Oct 10
1971May 15Oct 8May 12Nov 1
1970May 7Sep 29May 6Sep 29
1969May 26Oct 9May 26Oct 15
1968May 18Oct 6May 11Oct 30
1967May 23Oct 7May 23Oct 20
1966Jun 2Sep 25May 13Oct 18
1965May 30Sep 27May 5Sep 27
1964Jun 5Sep 13Apr 26Oct 5
1963May 24Sep 14May 12Oct 29
1962May 10Oct 23Apr 24Oct 24
1961Jun 20Sep 28May 17Sep 29
1960no dataSep 30no dataOct 24
1959no dataSep 17no dataSep 17
1958May 29Sep 29May 5Oct 12
1957May 17Sep 26May 17Sep 28
1956May 25Sep 18May 24Oct 1
1955May 20Oct 1May 9Oct 3
1954May 26Oct 6May 8Oct 7
1953May 15Sep 22May 15Oct 7
1952May 16Oct 3Apr 25Oct 6
1951May 13Sep 26May 13Oct 10

"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.