Last Frost Day

Frost history / Du Quoin 4 Se, IL

Du Quoin 4 Se, IL: frost dates by year

Last spring and first fall frost at NOAA station USC00112483, 1951 to 2025, measured from daily minimum temperatures.

Elevation 420 ft, 37.988, -89.193. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 8Oct 20
EarliestMar 19 (2017)Sep 23 (1983)
LatestMay 4 (1976)Nov 29 (2024)
Trend0.8 days earlier per decade1.0 days later per decade
Years with data6972

At 28°F (hard freeze) the median last spring date is Mar 30 and the median first fall date is Nov 2.

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 1Mar 16Mar 31Apr 15Apr 30May 1519601970198019902000201020201951: Apr 171952: Apr 71954: Apr 21955: Apr 81956: Apr 231957: Apr 151958: Apr 81959: Apr 111960: Apr 101961: Apr 181962: Apr 161963: Mar 221964: Apr 91965: Mar 271966: Mar 311967: Mar 221968: Apr 61969: Mar 311970: Apr 51971: Apr 71973: Apr 131974: Apr 91976: May 41977: Mar 251979: Apr 61980: Apr 161981: Apr 51982: Apr 211983: Apr 211984: Apr 11985: Apr 91986: Apr 231987: Apr 41988: Apr 191989: Apr 111990: Apr 121991: Mar 311992: Apr 281994: Apr 71995: Apr 51996: Apr 101997: Apr 181998: Mar 241999: Mar 272000: Apr 92001: Apr 182002: Apr 62003: Mar 312004: Apr 52005: Mar 202006: Mar 262007: Apr 132008: Apr 152009: Apr 92010: Mar 262011: Apr 22012: Apr 122013: Apr 32014: Apr 152015: Mar 292016: Apr 92017: Mar 192018: Apr 172019: Apr 152020: Apr 182021: Apr 212022: Mar 272023: Mar 202024: Mar 19

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Nov 21952: Oct 71953: Oct 251954: Oct 211955: Oct 251956: Nov 81957: Oct 271958: Oct 21959: Oct 181960: Oct 201961: Oct 31962: Oct 241963: Oct 301964: Oct 101965: Oct 241966: Oct 201967: Oct 281968: Oct 51969: Oct 181970: Oct 161972: Oct 191973: Nov 61976: Oct 101977: Oct 121978: Oct 81979: Oct 101980: Oct 51981: Oct 31982: Oct 211983: Sep 231984: Nov 21985: Oct 21986: Nov 101987: Oct 41988: Oct 61989: Oct 201990: Oct 111991: Oct 71992: Oct 161993: Oct 281994: Oct 251995: Oct 251996: Oct 191997: Oct 221998: Oct 221999: Oct 52000: Oct 82001: Oct 72002: Oct 142003: Oct 32004: Nov 92005: Oct 262006: Oct 132007: Oct 292008: Oct 282009: Oct 182010: Oct 292011: Oct 222012: Oct 82013: Oct 222014: Oct 302015: Oct 182016: Nov 102017: Oct 162018: Oct 212019: Oct 312020: Oct 52021: Nov 32022: Oct 92023: Oct 312024: Nov 292025: Nov 9

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
2025no dataNov 9no dataNov 10
2024Mar 19Nov 29Feb 28Nov 30
2023Mar 20Oct 31Mar 20Dec 11
2022Mar 27Oct 9Mar 13Oct 19
2021Apr 21Nov 3Apr 2Nov 4
2020Apr 18Oct 5Mar 7Nov 2
2019Apr 15Oct 31Mar 6Oct 31
2018Apr 17Oct 21Apr 8Oct 21
2017Mar 19Oct 16Mar 16Nov 10
2016Apr 9Nov 10Mar 6Nov 13
2015Mar 29Oct 18Mar 28Nov 21
2014Apr 15Oct 30Mar 30Nov 2
2013Apr 3Oct 22Apr 3Oct 25
2012Apr 12Oct 8Mar 10Nov 13
2011Apr 2Oct 22Mar 27Nov 11
2010Mar 26Oct 29Mar 6Oct 29
2009Apr 9Oct 18Mar 30Nov 27
2008Apr 15Oct 28Mar 11Nov 9
2007Apr 13Oct 29Apr 9Nov 2
2006Mar 26Oct 13Mar 26Oct 24
2005Mar 20Oct 26Mar 20Nov 16
2004Apr 5Nov 9Mar 13Nov 25
2003Mar 31Oct 3Mar 31Nov 7
2002Apr 6Oct 14Apr 6Oct 14
2001Apr 18Oct 7Apr 18Oct 28
2000Apr 9Oct 8Mar 12Oct 9
1999Mar 27Oct 5Mar 27Oct 24
1998Mar 24Oct 22Mar 15Nov 5
1997Apr 18Oct 22Apr 9Oct 22
1996Apr 10Oct 19Apr 10Nov 2
1995Apr 5Oct 25Apr 1Nov 4
1994Apr 7Oct 25Apr 7Oct 27
1993no dataOct 28no dataNov 1
1992Apr 28Oct 16Apr 5Oct 19
1991Mar 31Oct 7Mar 30Nov 2
1990Apr 12Oct 11Apr 12Oct 26
1989Apr 11Oct 20Apr 11Nov 3
1988Apr 19Oct 6Mar 19Oct 13
1987Apr 4Oct 4Apr 4Oct 8
1986Apr 23Nov 10Mar 22Nov 12
1985Apr 9Oct 2Apr 9Nov 20
1984Apr 1Nov 2Mar 12Nov 6
1983Apr 21Sep 23Apr 20Nov 6
1982Apr 21Oct 21Apr 10Oct 25
1981Apr 5Oct 3Apr 5Oct 23
1980Apr 16Oct 5Mar 22Oct 13
1979Apr 6Oct 10Apr 6Oct 13
1978no dataOct 8no dataOct 8
1977Mar 25Oct 12Mar 7Oct 13
1976May 4Oct 10Mar 17Oct 17
1974Apr 9no dataApr 9no data
1973Apr 13Nov 6Apr 13Nov 6
1972no dataOct 19no dataOct 19
1971Apr 7no dataApr 7no data
1970Apr 5Oct 16Apr 4Nov 15
1969Mar 31Oct 18Mar 31Oct 28
1968Apr 6Oct 5Mar 24Oct 25
1967Mar 22Oct 28Mar 19Nov 4
1966Mar 31Oct 20Mar 29Nov 2
1965Mar 27Oct 24Mar 27Nov 19
1964Apr 9Oct 10Mar 30Nov 20
1963Mar 22Oct 30Mar 22Oct 30
1962Apr 16Oct 24Apr 16Oct 26
1961Apr 18Oct 3Apr 2Nov 4
1960Apr 10Oct 20Apr 10Oct 20
1959Apr 11Oct 18Mar 22Nov 6
1958Apr 8Oct 2Mar 22Nov 7
1957Apr 15Oct 27Apr 13Oct 27
1956Apr 23Nov 8Apr 7Nov 9
1955Apr 8Oct 25Mar 29Nov 3
1954Apr 2Oct 21Apr 1Nov 2
1953no dataOct 25no dataOct 30
1952Apr 7Oct 7Mar 28Oct 21
1951Apr 17Nov 2Mar 31Nov 2

"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.