Last Frost Day

Frost history / White Hall 1 E, IL

White Hall 1 E, IL: frost dates by year

Last spring and first fall frost at NOAA station USC00119241, 1951 to 2025, measured from daily minimum temperatures.

Elevation 580 ft, 39.441, -90.379. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 14Oct 18
EarliestMar 23 (2017)Oct 2 (1985)
LatestMay 10 (1966)Nov 10 (2016)
Trend0.6 days earlier per decadelittle change (less than half a day per decade)
Years with data7372

At 28°F (hard freeze) the median last spring date is Apr 6 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 16Mar 31Apr 15Apr 30May 1519601970198019902000201020201951: Apr 231952: Apr 161953: Apr 211954: May 41955: Apr 81956: Apr 241957: Apr 141958: Apr 81959: Apr 221960: Apr 101961: Apr 161962: Apr 161963: May 11964: Apr 91965: Apr 21966: May 101967: Apr 241968: Apr 251969: Mar 311970: Apr 71971: Apr 101972: Apr 91973: Apr 131974: Apr 91975: Apr 71976: May 41977: Apr 61978: May 11979: Apr 71980: Apr 161981: Apr 61982: Apr 211983: Apr 201984: Apr 11985: Apr 101986: Apr 231987: Apr 121988: Apr 281989: Apr 141990: Apr 191991: Mar 311992: Apr 61993: Apr 181994: Apr 81995: Apr 61996: Apr 111997: Apr 171998: Apr 51999: Mar 292000: Apr 92001: Apr 192002: Apr 62004: Apr 142005: May 42007: Apr 142008: May 12009: Apr 102010: Mar 272011: Apr 62012: Apr 132013: Apr 212014: Apr 162015: Apr 242016: Apr 132017: Mar 232018: Apr 182019: Apr 202020: Apr 192021: Apr 232022: Apr 202023: Apr 242024: Mar 292025: Apr 9

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Nov 11952: Oct 31953: Oct 291954: Oct 281955: Oct 191956: Nov 81957: Oct 201958: Oct 301959: Oct 181960: Oct 201961: Nov 31962: Oct 241963: Nov 21964: Oct 101965: Oct 241966: Oct 171967: Oct 111968: Oct 251969: Oct 171970: Oct 161971: Nov 41972: Oct 151973: Nov 51974: Oct 31975: Oct 261976: Oct 161977: Oct 131978: Oct 81979: Oct 101980: Oct 121981: Oct 231982: Oct 211983: Oct 141985: Oct 21986: Oct 151987: Oct 31988: Oct 61989: Oct 201990: Oct 111991: Oct 161992: Oct 171993: Oct 101994: Oct 261995: Oct 251996: Oct 111997: Oct 181998: Oct 241999: Oct 52000: Oct 72001: Oct 172002: Oct 142004: Oct 52005: Oct 262007: Oct 292008: Oct 282009: Oct 112010: Oct 292011: Oct 282012: Oct 82013: Oct 222014: Nov 12015: Oct 182016: Nov 102017: Oct 292018: Oct 162019: Oct 122020: Oct 52021: Nov 22022: Oct 82023: Oct 302024: Oct 162025: Oct 25

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
2025Apr 9Oct 25Apr 8Nov 2
2024Mar 29Oct 16Mar 20Nov 26
2023Apr 24Oct 30Mar 21Oct 31
2022Apr 20Oct 8Mar 28Oct 18
2021Apr 23Nov 2Apr 3Nov 3
2020Apr 19Oct 5Apr 18Oct 16
2019Apr 20Oct 12Apr 20Nov 1
2018Apr 18Oct 16Apr 18Oct 16
2017Mar 23Oct 29Mar 17Oct 29
2016Apr 13Nov 10Apr 10Nov 13
2015Apr 24Oct 18Apr 5Oct 18
2014Apr 16Nov 1Apr 16Nov 1
2013Apr 21Oct 22Apr 4Oct 25
2012Apr 13Oct 8Mar 6Nov 4
2011Apr 6Oct 28Mar 30Oct 29
2010Mar 27Oct 29Mar 27Oct 29
2009Apr 10Oct 11Mar 14Oct 19
2008May 1Oct 28Apr 3Oct 28
2007Apr 14Oct 29Apr 13Nov 2
2005May 4Oct 26Mar 16Oct 27
2004Apr 14Oct 5Mar 23Nov 25
2002Apr 6Oct 14Apr 5Oct 22
2001Apr 19Oct 17Mar 28Oct 27
2000Apr 9Oct 7Mar 17Nov 15
1999Mar 29Oct 5Mar 27Oct 24
1998Apr 5Oct 24Mar 24Nov 7
1997Apr 17Oct 18Apr 15Oct 23
1996Apr 11Oct 11Apr 11Nov 1
1995Apr 6Oct 25Apr 6Nov 3
1994Apr 8Oct 26Apr 8Oct 26
1993Apr 18Oct 10Mar 19Nov 1
1992Apr 6Oct 17Apr 3Oct 18
1991Mar 31Oct 16Mar 31Nov 2
1990Apr 19Oct 11Apr 13Oct 20
1989Apr 14Oct 20Apr 11Nov 3
1988Apr 28Oct 6Apr 19Oct 29
1987Apr 12Oct 3Apr 6Oct 3
1986Apr 23Oct 15Mar 27Nov 10
1985Apr 10Oct 2Apr 9Nov 20
1984Apr 1no dataMar 14no data
1983Apr 20Oct 14Apr 19Nov 12
1982Apr 21Oct 21Apr 10Nov 4
1981Apr 6Oct 23Apr 6Oct 24
1980Apr 16Oct 12Mar 22Oct 26
1979Apr 7Oct 10Apr 6Oct 13
1978May 1Oct 8Mar 27Oct 24
1977Apr 6Oct 13Mar 30Nov 12
1976May 4Oct 16May 4Oct 22
1975Apr 7Oct 26Apr 5Nov 14
1974Apr 9Oct 3Apr 9Nov 14
1973Apr 13Nov 5Apr 11Nov 5
1972Apr 9Oct 15Apr 7Oct 19
1971Apr 10Nov 4Apr 3Nov 4
1970Apr 7Oct 16Apr 5Nov 15
1969Mar 31Oct 17Mar 31Oct 27
1968Apr 25Oct 25Apr 6Oct 25
1967Apr 24Oct 11Apr 24Oct 28
1966May 10Oct 17Apr 10Oct 25
1965Apr 2Oct 24Mar 27Oct 29
1964Apr 9Oct 10Apr 9Oct 10
1963May 1Nov 2Apr 24Nov 2
1962Apr 16Oct 24Apr 16Oct 24
1961Apr 16Nov 3Apr 16Nov 4
1960Apr 10Oct 20Apr 10Oct 20
1959Apr 22Oct 18Mar 28Nov 6
1958Apr 8Oct 30Mar 22Nov 26
1957Apr 14Oct 20Apr 14Oct 28
1956Apr 24Nov 8Apr 24Nov 9
1955Apr 8Oct 19Mar 29Nov 3
1954May 4Oct 28Apr 3Oct 30
1953Apr 21Oct 29Apr 19Nov 5
1952Apr 16Oct 3Apr 11Oct 7
1951Apr 23Nov 1Apr 17Nov 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.