Last Frost Day

Frost history / Galesburg, IL

Galesburg, IL: frost dates by year

Last spring and first fall frost at NOAA station USC00113320, 1951 to 2025, measured from daily minimum temperatures.

Elevation 761 ft, 40.946, -90.386. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 21Oct 16
EarliestMar 24 (1998)Sep 20 (1991)
LatestMay 10 (2020)Nov 8 (1956)
Trend0.7 days earlier per decade0.6 days later per decade
Years with data7572

At 28°F (hard freeze) the median last spring date is Apr 10 and the median first fall date is Oct 28.

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 151953: Apr 271954: May 41955: Apr 71956: Apr 241957: May 41958: Apr 291959: Apr 221960: May 11961: May 31962: Apr 201963: May 11964: Apr 101965: Apr 161966: May 101967: Apr 241968: Apr 251969: Apr 291970: Apr 101971: Apr 101972: Apr 251973: Apr 131974: Apr 241975: Apr 121976: May 31977: Apr 61978: May 21979: Apr 101980: Apr 161981: May 71982: Apr 211983: Apr 201984: Apr 241985: Apr 91986: Apr 221987: Apr 51988: Apr 241989: May 71990: Apr 181991: Mar 301992: Apr 131993: Apr 171994: Apr 71995: Apr 101996: Apr 141997: Apr 171998: Mar 241999: Mar 272000: Apr 232001: Apr 182002: Apr 62003: Apr 182004: Apr 132005: May 32006: Apr 262007: Apr 192008: Apr 292009: Apr 152010: Apr 102011: May 52012: Apr 122013: Apr 212014: Apr 192015: Apr 242016: Apr 132017: Apr 82018: Apr 212019: Apr 282020: May 102021: Apr 232022: Apr 272023: Apr 242024: Apr 222025: Apr 9

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Oct 311952: Oct 31953: Oct 71954: Oct 181955: Oct 191956: Nov 81957: Oct 181959: Oct 121960: Oct 191961: Oct 261962: Oct 231963: Oct 291964: Oct 61965: Oct 241966: Oct 171967: Sep 291968: Oct 41969: Oct 141970: Oct 161971: Nov 31972: Oct 151973: Nov 41974: Oct 21975: Oct 21976: Oct 71977: Oct 131979: Oct 131980: Oct 51981: Oct 191982: Oct 201983: Oct 141984: Sep 261985: Oct 11986: Nov 21987: Oct 31988: Oct 61989: Oct 41990: Oct 111991: Sep 201992: Oct 161993: Oct 91994: Oct 251995: Oct 161996: Oct 191997: Oct 211998: Oct 221999: Oct 182000: Oct 72001: Oct 62002: Oct 132003: Oct 22005: Nov 12006: Oct 122007: Oct 282008: Oct 282009: Oct 102010: Oct 292011: Oct 212012: Oct 62013: Oct 222014: Oct 302015: Oct 172016: Oct 222017: Oct 292018: Oct 162019: Oct 122020: Oct 162021: Nov 12022: Oct 82023: Oct 302024: Oct 162025: Nov 2

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 9Nov 2Apr 9Nov 2
2024Apr 22Oct 16Mar 28Oct 16
2023Apr 24Oct 30Apr 24Oct 30
2022Apr 27Oct 8Apr 26Oct 18
2021Apr 23Nov 1Apr 22Nov 2
2020May 10Oct 16Apr 17Oct 28
2019Apr 28Oct 12Apr 15Oct 31
2018Apr 21Oct 16Apr 18Oct 21
2017Apr 8Oct 29Mar 23Oct 29
2016Apr 13Oct 22Apr 13Nov 12
2015Apr 24Oct 17Apr 5Oct 17
2014Apr 19Oct 30Apr 16Nov 1
2013Apr 21Oct 22Apr 21Oct 23
2012Apr 12Oct 6Apr 12Oct 28
2011May 5Oct 21Mar 29Nov 11
2010Apr 10Oct 29Mar 27Oct 29
2009Apr 15Oct 10Apr 8Nov 3
2008Apr 29Oct 28Apr 3Oct 28
2007Apr 19Oct 28Apr 19Nov 7
2006Apr 26Oct 12Mar 27Oct 23
2005May 3Nov 1Mar 15Nov 10
2004Apr 13no dataApr 13no data
2003Apr 18Oct 2Apr 10Oct 2
2002Apr 6Oct 13Apr 6Oct 20
2001Apr 18Oct 6Mar 28Oct 17
2000Apr 23Oct 7Apr 23Oct 7
1999Mar 27Oct 18Mar 26Oct 18
1998Mar 24Oct 22Mar 24Nov 6
1997Apr 17Oct 21Apr 17Oct 22
1996Apr 14Oct 19Apr 10Oct 31
1995Apr 10Oct 16Apr 5Nov 2
1994Apr 7Oct 25Apr 7Nov 16
1993Apr 17Oct 9Apr 17Oct 10
1992Apr 13Oct 16Apr 13Oct 17
1991Mar 30Sep 20Mar 30Oct 19
1990Apr 18Oct 11Apr 12Oct 22
1989May 7Oct 4Apr 13Nov 16
1988Apr 24Oct 6Apr 19Oct 29
1987Apr 5Oct 3Apr 4Oct 3
1986Apr 22Nov 2Apr 22Nov 9
1985Apr 9Oct 1Apr 9Nov 5
1984Apr 24Sep 26Mar 31Nov 1
1983Apr 20Oct 14Apr 20Nov 5
1982Apr 21Oct 20Apr 21Oct 22
1981May 7Oct 19Apr 6Oct 19
1980Apr 16Oct 5Apr 15Oct 28
1979Apr 10Oct 13Apr 6Oct 13
1978May 2no dataMar 27no data
1977Apr 6Oct 13Apr 6Nov 10
1976May 3Oct 7Apr 12Oct 16
1975Apr 12Oct 2Apr 7Nov 13
1974Apr 24Oct 2Mar 25Oct 2
1973Apr 13Nov 4Apr 13Nov 5
1972Apr 25Oct 15Apr 8Oct 18
1971Apr 10Nov 3Apr 7Nov 4
1970Apr 10Oct 16Apr 5Nov 3
1969Apr 29Oct 14Mar 31Oct 17
1968Apr 25Oct 4Apr 2Oct 25
1967Apr 24Sep 29Apr 24Oct 26
1966May 10Oct 17May 10Oct 25
1965Apr 16Oct 24Mar 31Oct 24
1964Apr 10Oct 6Apr 9Oct 7
1963May 1Oct 29Mar 22Nov 2
1962Apr 20Oct 23Apr 16Oct 23
1961May 3Oct 26Apr 16Nov 3
1960May 1Oct 19Apr 10Oct 19
1959Apr 22Oct 12Apr 22Oct 28
1958Apr 29no dataApr 29no data
1957May 4Oct 18Apr 14Oct 27
1956Apr 24Nov 8Apr 24Nov 8
1955Apr 7Oct 19Mar 29Oct 31
1954May 4Oct 18Apr 4Oct 30
1953Apr 27Oct 7Apr 20Oct 29
1952Apr 15Oct 3Mar 27Oct 6
1951Apr 23Oct 31Apr 17Nov 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.