Last Frost Day

Frost history / Vanderbilt 11ENE, MI

Vanderbilt 11ENE, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00208417, 1951 to 2025, measured from daily minimum temperatures.

Elevation 905 ft, 45.170, -84.440. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianJun 10Sep 5
EarliestMay 18 (2010)Aug 2 (1959)
LatestJul 31 (1952)Oct 18 (2021)
Trend3.1 days earlier per decade5.3 days later per decade
Years with data6769

At 28°F (hard freeze) the median last spring date is May 29 and the median first fall date is Sep 26.

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 30May 15May 30Jun 14Jun 29Jul 14Jul 29Aug 1319601970198019902000201020201951: Jun 71952: Jul 311954: Jul 81955: Jun 21956: Jun 31957: Jun 91959: Jun 231960: Jul 11961: Jun 201962: Jun 81963: Jul 91964: Jun 251965: Jul 301969: Jun 211971: Jun 101972: Jul 51974: Jun 251975: Jun 91976: Jun 31977: Jun 131978: Jun 141979: Jun 251980: Jun 161981: May 311982: Jun 51983: Jul 61984: May 311985: Jul 231986: Jun 251987: Jun 101988: Jun 291989: Jun 51991: Jun 131992: Jun 301993: Jun 161994: Jun 91995: May 261996: May 311997: Jun 181998: Jun 81999: May 272000: Jul 192001: Jul 62002: May 252003: Jun 22004: Jun 252005: May 202006: Jun 112007: Jun 62008: May 292009: Jun 62010: May 182011: May 272012: Jun 132013: Jun 42014: Jun 142015: Jun 22016: Jun 242017: Jun 12018: May 212019: Jun 32020: Jun 162021: Jun 222022: Jun 42023: May 272024: Jun 112025: Jun 2

First fall frost (32°F)

Jul 14Jul 29Aug 13Aug 28Sep 12Sep 27Oct 12Oct 2719601970198019902000201020201951: Aug 41952: Aug 31953: Aug 181954: Aug 171955: Sep 71956: Aug 201957: Aug 221958: Aug 161959: Aug 21960: Sep 131961: Aug 141962: Aug 171963: Aug 181964: Aug 91965: Aug 31971: Aug 41972: Aug 41973: Sep 91974: Sep 31975: Aug 191976: Aug 71977: Aug 201978: Aug 311980: Sep 241981: Sep 91982: Aug 111983: Sep 141984: Sep 51985: Sep 121986: Aug 281987: Sep 31988: Sep 61989: Aug 251990: Sep 171991: Sep 11992: Aug 131993: Sep 161994: Sep 21995: Sep 81996: Sep 191997: Sep 41998: Sep 231999: Sep 162000: Aug 202001: Sep 142002: Sep 162003: Sep 52004: Aug 212005: Sep 242006: Aug 122007: Sep 162008: Sep 102009: Sep 192010: Sep 152011: Sep 62012: Sep 192013: Sep 142014: Sep 142015: Sep 132016: Oct 92017: Sep 12018: Sep 222019: Sep 92020: Sep 102021: Oct 182022: Sep 232023: Sep 142024: Oct 22025: Aug 27

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
2025Jun 2Aug 27May 20Oct 9
2024Jun 11Oct 2Apr 27Oct 9
2023May 27Sep 14May 26Oct 23
2022Jun 4Sep 23May 18Sep 23
2021Jun 22Oct 18May 30Oct 22
2020Jun 16Sep 10May 31Sep 18
2019Jun 3Sep 9May 12Oct 5
2018May 21Sep 22May 13Oct 18
2017Jun 1Sep 1May 20Oct 16
2016Jun 24Oct 9May 18Oct 10
2015Jun 2Sep 13Jun 2Oct 1
2014Jun 14Sep 14May 18Oct 11
2013Jun 4Sep 14Jun 4Sep 17
2012Jun 13Sep 19May 17Sep 27
2011May 27Sep 6May 27Sep 15
2010May 18Sep 15May 11Oct 3
2009Jun 6Sep 19Jun 4Oct 14
2008May 29Sep 10May 28Oct 3
2007Jun 6Sep 16May 21Oct 12
2006Jun 11Aug 12May 23Sep 29
2005May 20Sep 24May 20Sep 24
2004Jun 25Aug 21May 29Sep 30
2003Jun 2Sep 5Jun 1Oct 2
2002May 25Sep 16May 25Oct 10
2001Jul 6Sep 14May 31Oct 7
2000Jul 19Aug 20May 21Sep 25
1999May 27Sep 16May 14Sep 25
1998Jun 8Sep 23Jun 5Sep 23
1997Jun 18Sep 4May 27Sep 24
1996May 31Sep 19May 31Oct 3
1995May 26Sep 8May 18Sep 10
1994Jun 9Sep 2Jun 8Oct 2
1993Jun 16Sep 16May 27Sep 19
1992Jun 30Aug 13Jun 22Sep 23
1991Jun 13Sep 1May 20Oct 10
1990no dataSep 17no dataSep 17
1989Jun 5Aug 25May 28Sep 27
1988Jun 29Sep 6May 25Oct 6
1987Jun 10Sep 3May 8Oct 12
1986Jun 25Aug 28Jun 2Aug 28
1985Jul 23Sep 12May 29Oct 6
1984May 31Sep 5May 27Sep 30
1983Jul 6Sep 14Jun 8Oct 9
1982Jun 5Aug 11Jun 5Aug 29
1981May 31Sep 9May 31Sep 18
1980Jun 16Sep 24Jun 11Sep 28
1979Jun 25no dataJun 24no data
1978Jun 14Aug 31Jun 14Sep 28
1977Jun 13Aug 20Jun 10Oct 4
1976Jun 3Aug 7Jun 2Aug 30
1975Jun 9Aug 19May 13Sep 13
1974Jun 25Sep 3May 27Sep 4
1973no dataSep 9no dataSep 16
1972Jul 5Aug 4Jun 17Sep 9
1971Jun 10Aug 4May 29Aug 23
1969Jun 21no dataJun 21no data
1965Jul 30Aug 3Jul 6Sep 11
1964Jun 25Aug 9Jun 16Sep 12
1963Jul 9Aug 18Jun 22Sep 13
1962Jun 8Aug 17Jun 3Sep 6
1961Jun 20Aug 14May 30Sep 29
1960Jul 1Sep 13Jun 8Sep 16
1959Jun 23Aug 2May 17Sep 17
1958no dataAug 16no dataSep 2
1957Jun 9Aug 22Jun 2Aug 22
1956Jun 3Aug 20Jun 2Sep 9
1955Jun 2Sep 7May 20Sep 7
1954Jul 8Aug 17May 26Oct 7
1953no dataAug 18no dataSep 14
1952Jul 31Aug 3May 19Aug 23
1951Jun 7Aug 4Jun 5Sep 26

"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.