Last Frost Day

Frost history / Fulton L&D #13, IL

Fulton L&D #13, IL: frost dates by year

Last spring and first fall frost at NOAA station USC00113290, 1951 to 2025, measured from daily minimum temperatures.

Elevation 592 ft, 41.898, -90.154. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 14Oct 22
EarliestMar 24 (1998)Sep 20 (1991)
LatestMay 11 (1966)Nov 21 (2024)
Trend1.1 days earlier per decade1.0 days later per decade
Years with data6870

At 28°F (hard freeze) the median last spring date is Apr 6 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 16Mar 31Apr 15Apr 30May 15May 3019601970198019902000201020201951: Apr 211952: Apr 111953: Apr 201954: May 41955: Apr 71956: Apr 241957: Apr 151958: Apr 291959: Apr 221960: Apr 101961: Apr 171962: Apr 201963: Apr 121964: Apr 91965: Apr 31966: May 111967: Apr 241968: Apr 151969: Apr 61970: May 21971: Apr 71972: Apr 91973: Apr 131974: Apr 101975: Apr 141976: Apr 131977: Apr 291978: May 21979: Apr 111980: Apr 171981: Apr 221983: Apr 201985: Apr 101988: Apr 211989: May 71990: Apr 191991: Apr 41992: Apr 131993: Apr 61994: Apr 81995: Apr 61996: Apr 141997: Apr 151998: Mar 241999: Apr 162003: Apr 112004: Apr 132005: May 52006: Apr 102007: Apr 162008: Apr 32009: Apr 132010: Mar 262011: Apr 62012: Apr 152013: Apr 222014: Apr 162015: Apr 242016: Apr 102017: Mar 302018: Apr 292019: Apr 12020: Apr 172021: Apr 32022: Apr 192023: Apr 72024: Apr 222025: Apr 9

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Oct 291952: Oct 31953: Nov 41954: Oct 301955: Oct 191956: Oct 101957: Oct 201958: Nov 31959: Oct 121960: Oct 201961: Oct 21962: Oct 251963: Nov 21964: Oct 91965: Oct 291966: Oct 61967: Oct 121968: Oct 291969: Oct 151970: Oct 161971: Nov 11972: Oct 181973: Nov 51974: Oct 21975: Oct 261976: Oct 181977: Oct 131978: Nov 141979: Oct 141980: Oct 131981: Oct 191982: Oct 221983: Oct 291984: Nov 21985: Nov 101988: Oct 61989: Oct 51990: Oct 111991: Sep 201992: Oct 171993: Oct 111994: Oct 301995: Oct 221996: Oct 191997: Oct 231998: Nov 41999: Sep 212002: Nov 12003: Oct 22004: Oct 52005: Oct 282007: Nov 22008: Oct 282009: Oct 102010: Oct 292011: Oct 292012: Oct 62013: Oct 222014: Nov 12015: Oct 182016: Nov 122017: Oct 302018: Oct 212019: Oct 312020: Oct 262021: Nov 32022: Oct 192023: Oct 302024: Nov 212025: Oct 23

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