Last Frost Day

Frost history / Jackson Reynolds Fld, MI

Jackson Reynolds Fld, MI: frost dates by year

Last spring and first fall frost at NOAA station USW00014833, 1951 to 2024, measured from daily minimum temperatures.

Elevation 998 ft, 42.267, -84.467. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 5Oct 7
EarliestApr 10 (1985)Sep 17 (1959)
LatestMay 31 (1966)Oct 30 (1968)
Trend0.5 days earlier per decade1.2 days later per decade
Years with data7473

At 28°F (hard freeze) the median last spring date is Apr 22 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)

Mar 31Apr 15Apr 30May 15May 30Jun 1419601970198019902000201020201951: Apr 231952: Apr 161953: Apr 211954: May 101955: May 91956: May 161957: May 161958: May 51959: Apr 221960: May 101961: May 271962: Apr 201963: May 231964: May 291965: Apr 291966: May 311967: May 31968: May 61969: Apr 301970: May 61971: May 131972: May 101973: May 181974: May 101975: Apr 261976: May 81977: May 101978: May 31979: May 51980: May 91981: May 71982: Apr 221983: May 91984: May 161985: Apr 101986: May 41987: May 51988: Apr 251989: May 71990: May 21991: Apr 121992: May 251993: Apr 271994: May 61995: Apr 241996: May 301997: May 161998: Apr 281999: Apr 252000: Apr 282001: Apr 252002: May 202003: Apr 242004: May 42005: May 42006: Apr 262007: May 182008: May 282009: May 182010: May 102011: Apr 212012: Apr 292013: May 132014: May 162015: Apr 282016: Apr 142017: May 92018: Apr 302019: Apr 242020: May 132021: May 142022: Apr 282023: May 42024: Apr 25

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 291952: Oct 31953: Oct 71954: Oct 71955: Oct 141956: Sep 201957: Sep 271958: Oct 61959: Sep 171960: Oct 11961: Sep 291962: Sep 201963: Oct 301964: Oct 51965: Sep 271966: Oct 251967: Oct 201968: Oct 301969: Oct 221970: Oct 161971: Sep 241972: Oct 91973: Oct 191974: Sep 231975: Oct 261976: Sep 241977: Oct 71978: Oct 91979: Oct 101980: Oct 131981: Oct 31982: Oct 171983: Oct 101985: Oct 171986: Oct 101987: Oct 41988: Oct 61989: Sep 241990: Oct 121991: Sep 211992: Oct 61993: Oct 51994: Oct 101995: Sep 231996: Oct 31997: Oct 161998: Oct 221999: Oct 52000: Oct 72001: Oct 72002: Oct 132003: Oct 12004: Oct 32005: Oct 172006: Oct 72007: Oct 282008: Oct 42009: Oct 12010: Oct 162011: Oct 22012: Oct 72013: Oct 222014: Oct 102015: Oct 172016: Oct 252017: Oct 262018: Oct 152019: Oct 152020: Sep 192021: Oct 242022: Oct 32023: Oct 222024: Oct 17

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
2024Apr 25Oct 17Apr 25Oct 27
2023May 4Oct 22Apr 26Oct 30
2022Apr 28Oct 3Apr 28Nov 17
2021May 14Oct 24Apr 22Nov 3
2020May 13Sep 19May 9Oct 31
2019Apr 24Oct 15Apr 1Nov 5
2018Apr 30Oct 15Apr 20Oct 18
2017May 9Oct 26Mar 23Nov 8
2016Apr 14Oct 25Apr 10Nov 11
2015Apr 28Oct 17Apr 24Oct 17
2014May 16Oct 10Apr 16Oct 23
2013May 13Oct 22Apr 21Nov 11
2012Apr 29Oct 7Apr 29Nov 3
2011Apr 21Oct 2Apr 13Oct 28
2010May 10Oct 16Apr 10Nov 1
2009May 18Oct 1Apr 12Oct 11
2008May 28Oct 4Apr 30Oct 22
2007May 18Oct 28Apr 15Nov 2
2006Apr 26Oct 7Apr 26Oct 15
2005May 4Oct 17May 4Oct 28
2004May 4Oct 3May 4Oct 5
2003Apr 24Oct 1Apr 23Oct 5
2002May 20Oct 13May 19Oct 14
2001Apr 25Oct 7Apr 19Oct 7
2000Apr 28Oct 7Apr 12Oct 29
1999Apr 25Oct 5Apr 25Oct 27
1998Apr 28Oct 22Apr 6Oct 22
1997May 16Oct 16Apr 26Oct 18
1996May 30Oct 3May 13Oct 3
1995Apr 24Sep 23Apr 15Oct 17
1994May 6Oct 10Apr 23Nov 2
1993Apr 27Oct 5Apr 23Oct 10
1992May 25Oct 6Apr 28Oct 18
1991Apr 12Sep 21Apr 11Sep 28
1990May 2Oct 12Apr 18Oct 26
1989May 7Sep 24May 7Oct 4
1988Apr 25Oct 6Apr 25Oct 6
1987May 5Oct 4Apr 9Oct 12
1986May 4Oct 10Apr 23Oct 18
1985Apr 10Oct 17Apr 10Nov 20
1984May 16no dataApr 8no data
1983May 9Oct 10Apr 20Oct 27
1982Apr 22Oct 17Apr 22Oct 17
1981May 7Oct 3Apr 21Oct 23
1980May 9Oct 13Apr 16Oct 22
1979May 5Oct 10May 1Oct 29
1978May 3Oct 9May 1Oct 17
1977May 10Oct 7Apr 29Oct 13
1976May 8Sep 24Apr 26Sep 24
1975Apr 26Oct 26Apr 21Oct 30
1974May 10Sep 23May 7Oct 2
1973May 18Oct 19Apr 14Nov 5
1972May 10Oct 9Apr 26Oct 17
1971May 13Sep 24May 3Nov 6
1970May 6Oct 16Apr 11Nov 8
1969Apr 30Oct 22Apr 20Oct 22
1968May 6Oct 30Apr 26Oct 30
1967May 3Oct 20Apr 25Oct 22
1966May 31Oct 25May 10Oct 25
1965Apr 29Sep 27Apr 14Oct 4
1964May 29Oct 5Apr 11Oct 7
1963May 23Oct 30May 1Oct 30
1962Apr 20Sep 20Apr 17Oct 24
1961May 27Sep 29Apr 16Nov 4
1960May 10Oct 1Apr 19Oct 24
1959Apr 22Sep 17Apr 21Oct 19
1958May 5Oct 6Apr 26Nov 22
1957May 16Sep 27Apr 15Oct 12
1956May 16Sep 20Apr 23Oct 10
1955May 9Oct 14May 9Nov 4
1954May 10Oct 7Apr 9Oct 31
1953Apr 21Oct 7Apr 21Oct 8
1952Apr 16Oct 3Apr 11Oct 3
1951Apr 23Sep 29Apr 20Oct 27

"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.