Last Frost Day

Frost history / Holland Wtp, MI

Holland Wtp, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00203858, 1951 to 2011, measured from daily minimum temperatures.

Elevation 617 ft, 42.799, -86.205. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 5Oct 9
EarliestApr 15 (1957)Sep 20 (1956)
LatestJun 11 (1972)Nov 5 (2011)
Trend1.5 days later per decade1.5 days later per decade
Years with data4748

At 28°F (hard freeze) the median last spring date is Apr 23 and the median first fall date is Oct 29.

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 291960197019801990200020101951: Apr 201952: Apr 161953: Apr 211954: May 41955: May 91956: Apr 301957: Apr 151958: May 51959: Apr 221960: Apr 281961: May 271962: Apr 201963: May 11964: Apr 251965: May 301966: May 311967: May 121968: May 61969: May 121970: May 61971: May 221972: Jun 111973: May 181974: May 101975: Apr 261976: May 191977: May 111978: May 61979: May 51980: May 91981: May 121982: Apr 281983: May 171984: May 161986: May 31987: May 51988: Apr 251989: May 81990: May 21991: May 31992: May 271993: Apr 261994: May 271996: May 141998: Apr 282005: May 42006: Apr 26

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Oct 281952: Oct 31953: Oct 71954: Oct 71955: Nov 51956: Sep 201957: Sep 271958: Nov 21959: Oct 191960: Oct 11961: Oct 271962: Sep 211963: Oct 41964: Sep 281965: Sep 271966: Sep 261967: Oct 201968: Oct 301969: Oct 231970: Oct 11971: Oct 71972: Oct 101973: Nov 41974: Oct 31975: Oct 21976: Sep 281977: Oct 71978: Oct 171980: Oct 131981: Oct 31982: Oct 171983: Oct 101984: Sep 301985: Oct 281986: Oct 101988: Oct 61989: Sep 241990: Oct 121991: Sep 281992: Sep 291993: Sep 301994: Oct 101995: Nov 31998: Oct 221999: Oct 272001: Oct 172005: Oct 262011: Nov 5

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
2011no dataNov 5no dataDec 7
2006Apr 26no dataApr 9no data
2005May 4Oct 26Mar 28Nov 17
2001no dataOct 17no dataDec 11
1999no dataOct 27no dataOct 27
1998Apr 28Oct 22Mar 24Nov 3
1996May 14no dataApr 28no data
1995no dataNov 3no dataNov 4
1994May 27Oct 10May 3Nov 10
1993Apr 26Sep 30Apr 23Oct 13
1992May 27Sep 29Apr 28Oct 27
1991May 3Sep 28Apr 11Sep 28
1990May 2Oct 12Apr 18Oct 23
1989May 8Sep 24May 7Sep 27
1988Apr 25Oct 6Apr 21Oct 30
1987May 5no dataApr 4no data
1986May 3Oct 10May 3Nov 5
1985no dataOct 28no dataNov 11
1984May 16Sep 30May 2Nov 3
1983May 17Oct 10May 9Oct 30
1982Apr 28Oct 17Apr 28Oct 17
1981May 12Oct 3Apr 21Oct 3
1980May 9Oct 13Apr 24Oct 28
1979May 5no dataMay 5no data
1978May 6Oct 17May 3Oct 17
1977May 11Oct 7May 9Oct 13
1976May 19Sep 28May 8Oct 17
1975Apr 26Oct 2Apr 21Oct 30
1974May 10Oct 3May 7Oct 3
1973May 18Nov 4Apr 14Nov 9
1972Jun 11Oct 10Apr 26Oct 19
1971May 22Oct 7May 4Nov 1
1970May 6Oct 1May 6Nov 8
1969May 12Oct 23Apr 30Oct 23
1968May 6Oct 30May 6Oct 30
1967May 12Oct 20May 6Nov 6
1966May 31Sep 26May 10Oct 25
1965May 30Sep 27Apr 14Sep 27
1964Apr 25Sep 28Apr 9Oct 7
1963May 1Oct 4May 1Oct 29
1962Apr 20Sep 21Apr 20Oct 26
1961May 27Oct 27Apr 16Nov 8
1960Apr 28Oct 1Apr 10Oct 25
1959Apr 22Oct 19Apr 22Oct 19
1958May 5Nov 2Apr 26Nov 22
1957Apr 15Sep 27Apr 15Nov 9
1956Apr 30Sep 20Apr 23Oct 10
1955May 9Nov 5Mar 30Nov 17
1954May 4Oct 7Apr 9Oct 31
1953Apr 21Oct 7Apr 21Nov 5
1952Apr 16Oct 3Apr 11Oct 18
1951Apr 20Oct 28Apr 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 to 2020 frost probabilities.