Last Frost Day

Frost history / Greenville 2 Nne, MI

Greenville 2 Nne, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00203429, 1951 to 2023, measured from daily minimum temperatures.

Elevation 882 ft, 43.203, -85.242. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 14Sep 30
EarliestApr 12 (1952)Sep 4 (1997)
LatestJun 22 (1992)Oct 26 (2017)
Trend1.5 days later per decadelittle change (less than half a day per decade)
Years with data7269

At 28°F (hard freeze) the median last spring date is May 1 and the median first fall date is Oct 10.

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 2919601970198019902000201020201951: Apr 231952: Apr 121953: Apr 281954: May 111955: May 81956: May 241957: May 51958: May 261959: May 11960: Apr 281961: May 271962: Apr 241963: May 241964: Apr 251965: May 301966: May 291967: May 121968: May 61969: May 231970: May 61971: May 221972: Jun 111973: May 181974: May 101975: Apr 261976: May 191977: May 111978: May 31979: May 131980: Jun 111981: May 191982: Apr 281983: May 271984: May 161985: Apr 171986: May 31987: May 51988: May 251989: May 81990: May 111991: May 31992: Jun 221993: Jun 11994: May 271995: Apr 291996: May 301997: May 221998: Apr 281999: Apr 302000: Apr 262001: Apr 252002: May 202003: May 32004: May 52005: May 172006: May 232007: May 182008: May 282009: May 312010: May 102011: May 52013: May 242014: May 172015: May 202016: May 152017: May 92018: Apr 302019: May 212020: May 312021: May 302022: May 232023: May 26

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 291952: Oct 31953: Oct 71954: Oct 71955: Oct 141958: Sep 281959: Oct 191960: Oct 11961: Sep 291962: Sep 211963: Oct 41964: Sep 131965: Sep 271966: Sep 261967: Sep 231968: Oct 51969: Oct 151970: Sep 291971: Oct 71972: Oct 91973: Oct 191974: Sep 221975: Sep 141976: Sep 221977: Oct 61978: Oct 81979: Sep 191980: Sep 271981: Sep 231982: Oct 161983: Sep 241984: Sep 301985: Oct 21986: Oct 61987: Oct 11988: Oct 51989: Sep 241990: Oct 121991: Sep 211992: Sep 231993: Sep 301994: Oct 21995: Sep 231996: Sep 301997: Sep 41998: Oct 21999: Sep 222000: Sep 282001: Oct 72002: Oct 142003: Oct 22004: Sep 302005: Oct 92006: Sep 292007: Sep 162008: Oct 22009: Oct 12010: Oct 32011: Sep 152012: Sep 192013: Sep 172015: Oct 102016: Oct 92017: Oct 262018: Sep 292019: Oct 142020: Sep 192022: Sep 232023: Oct 8

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