Last Frost Day

Frost history / Bloomingdale, MI

Bloomingdale, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00200864, 1951 to 2021, measured from daily minimum temperatures.

Elevation 736 ft, 42.384, -85.963. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 10Oct 7
EarliestApr 16 (1952)Sep 18 (1973)
LatestJun 11 (1972)Nov 8 (2013)
Trendlittle change (less than half a day per decade)little change (less than half a day per decade)
Years with data4749

At 28°F (hard freeze) the median last spring date is Apr 25 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 14Jun 2919601970198019902000201020201951: Apr 201952: Apr 161953: Apr 211954: May 211955: May 91957: May 51958: May 71959: Apr 221960: Apr 281961: May 271962: Apr 201963: May 231965: May 301968: May 201969: May 121970: May 71971: May 231972: Jun 111973: May 191974: May 101975: Apr 261976: May 191977: May 121978: May 61979: May 131980: May 101981: May 131982: Apr 291984: May 171985: May 31986: May 41987: Apr 261988: May 11989: May 101990: May 61991: May 31992: May 281993: May 191995: May 32014: May 172015: Apr 292016: May 152017: May 102018: May 12019: Apr 292020: May 132021: May 14

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Sep 291952: Oct 31953: Oct 71954: Oct 71955: Oct 221956: Sep 201957: Sep 271958: Oct 281959: Oct 191960: Oct 181961: Oct 271962: Oct 241963: Oct 301967: Sep 291968: Oct 301969: Oct 151970: Sep 291971: Sep 241972: Oct 71973: Sep 181974: Oct 21975: Sep 271976: Oct 81977: Oct 71978: Oct 91979: Oct 141980: Oct 61981: Oct 31982: Oct 171983: Oct 111984: Sep 301986: Oct 161987: Oct 31988: Oct 51989: Sep 241990: Oct 121991: Sep 211992: Sep 231994: Oct 101996: Oct 32009: Oct 12011: Oct 12013: Nov 82014: Oct 112015: Oct 182016: Oct 252017: Oct 262019: Oct 182020: Sep 19

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

"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.