Last Frost Day

Frost history / Peoria Gtr Peoria Ap, IL

Peoria Gtr Peoria Ap, IL: frost dates by year

Last spring and first fall frost at NOAA station USW00014842, 1951 to 2024, measured from daily minimum temperatures.

Elevation 650 ft, 40.667, -89.684. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 18Oct 19
EarliestMar 22 (2017)Sep 20 (1991)
LatestMay 13 (1971)Nov 21 (2024)
Trend1.7 days earlier per decadelittle change (less than half a day per decade)
Years with data7474

At 28°F (hard freeze) the median last spring date is Apr 6 and the median first fall date is Oct 31.

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 231952: Apr 151953: Apr 201954: May 41955: Apr 71956: Apr 241957: May 41958: Apr 291959: Apr 221960: May 121961: May 21962: Apr 201963: May 11964: Apr 91965: Apr 21966: May 101967: Apr 241968: Apr 251969: Apr 291970: Apr 71971: May 131972: Apr 261973: Apr 131974: Apr 241975: Apr 151976: May 71977: Apr 291978: May 21979: Apr 101980: Apr 161981: Apr 151982: Apr 211983: Apr 201984: Apr 241985: Apr 91986: Apr 231987: Apr 41988: Apr 191989: May 71990: Apr 181991: Mar 301992: Apr 281993: Apr 171994: Apr 71995: Apr 51996: Apr 271997: Apr 171998: Apr 171999: Mar 292000: Apr 122001: Apr 182002: Apr 62003: Apr 102004: Apr 142005: May 42006: Apr 92007: Apr 152008: Apr 152009: Apr 122010: Apr 92011: Apr 212012: Apr 122013: Apr 202014: Apr 152015: Apr 42016: Apr 122017: Mar 222018: Apr 202019: Apr 152020: May 92021: Apr 222022: Apr 262023: Apr 242024: Apr 6

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Oct 311952: Oct 31953: Oct 291954: Oct 301955: Oct 311956: Nov 81957: Oct 261958: Oct 301959: Oct 121960: Oct 191961: Oct 261962: Oct 231963: Nov 21964: Oct 61965: Oct 241966: Oct 171967: Oct 251968: Oct 251969: Oct 141970: Oct 161971: Nov 31972: Oct 151973: Nov 31974: Sep 231975: Oct 261976: Oct 161977: Oct 131978: Oct 81979: Oct 51980: Oct 51981: Oct 191982: Oct 201983: Nov 41984: Sep 301985: Oct 61986: Nov 21987: Oct 31988: Oct 61989: Oct 41990: Oct 111991: Sep 201992: Oct 171993: Oct 101994: Oct 251995: Sep 231996: Oct 191997: Oct 211998: Oct 221999: Oct 182000: Oct 72001: Oct 62002: Oct 142003: Oct 22004: Oct 52005: Oct 282006: Oct 112007: Oct 282008: Oct 272009: Oct 102010: Oct 282011: Oct 282012: Oct 62013: Oct 212014: Oct 312015: Oct 182016: Nov 122017: Oct 292018: Oct 162019: Oct 122020: Oct 162021: Nov 12022: Oct 182023: Oct 302024: Nov 21

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
2024Apr 6Nov 21Mar 19Nov 26
2023Apr 24Oct 30Mar 20Oct 31
2022Apr 26Oct 18Mar 28Oct 19
2021Apr 22Nov 1Apr 2Nov 18
2020May 9Oct 16Apr 18Nov 1
2019Apr 15Oct 12Mar 31Oct 31
2018Apr 20Oct 16Apr 8Oct 21
2017Mar 22Oct 29Mar 19Oct 29
2016Apr 12Nov 12Apr 9Nov 20
2015Apr 4Oct 18Apr 4Nov 21
2014Apr 15Oct 31Apr 15Nov 7
2013Apr 20Oct 21Apr 3Oct 25
2012Apr 12Oct 6Mar 5Nov 4
2011Apr 21Oct 28Mar 28Nov 11
2010Apr 9Oct 28Mar 26Oct 29
2009Apr 12Oct 10Mar 30Nov 27
2008Apr 15Oct 27Apr 2Oct 28
2007Apr 15Oct 28Apr 13Nov 7
2006Apr 9Oct 11Mar 26Oct 24
2005May 4Oct 28May 3Nov 16
2004Apr 14Oct 5Mar 22Nov 12
2003Apr 10Oct 2Apr 10Oct 2
2002Apr 6Oct 14Apr 6Oct 20
2001Apr 18Oct 6Apr 1Nov 9
2000Apr 12Oct 7Apr 8Oct 7
1999Mar 29Oct 18Mar 26Oct 24
1998Apr 17Oct 22Mar 24Nov 6
1997Apr 17Oct 21Apr 14Oct 22
1996Apr 27Oct 19Apr 10Oct 19
1995Apr 5Sep 23Apr 5Nov 2
1994Apr 7Oct 25Apr 7Nov 16
1993Apr 17Oct 10Apr 3Oct 31
1992Apr 28Oct 17Apr 2Oct 17
1991Mar 30Sep 20Mar 30Nov 2
1990Apr 18Oct 11Apr 18Oct 22
1989May 7Oct 4Apr 13Nov 2
1988Apr 19Oct 6Mar 30Oct 12
1987Apr 4Oct 3Apr 4Oct 8
1986Apr 23Nov 2Apr 22Nov 9
1985Apr 9Oct 6Apr 9Nov 19
1984Apr 24Sep 30Mar 23Nov 2
1983Apr 20Nov 4Apr 19Nov 11
1982Apr 21Oct 20Apr 11Oct 21
1981Apr 15Oct 19Apr 6Oct 23
1980Apr 16Oct 5Mar 25Oct 28
1979Apr 10Oct 5Apr 6Oct 13
1978May 2Oct 8Mar 27Nov 14
1977Apr 29Oct 13Apr 6Oct 13
1976May 7Oct 16Mar 22Oct 21
1975Apr 15Oct 26Apr 7Nov 13
1974Apr 24Sep 23Apr 9Oct 2
1973Apr 13Nov 3Apr 11Nov 5
1972Apr 26Oct 15Apr 8Oct 18
1971May 13Nov 3Apr 7Nov 4
1970Apr 7Oct 16Apr 5Nov 14
1969Apr 29Oct 14Mar 31Oct 23
1968Apr 25Oct 25Apr 6Oct 25
1967Apr 24Oct 25Apr 24Oct 26
1966May 10Oct 17May 10Oct 25
1965Apr 2Oct 24Mar 31Oct 24
1964Apr 9Oct 6Apr 9Oct 10
1963May 1Nov 2Mar 22Nov 2
1962Apr 20Oct 23Apr 16Oct 24
1961May 2Oct 26Apr 16Nov 4
1960May 12Oct 19Apr 10Oct 20
1959Apr 22Oct 12Apr 13Nov 5
1958Apr 29Oct 30Mar 22Nov 7
1957May 4Oct 26Apr 14Oct 26
1956Apr 24Nov 8Apr 24Nov 8
1955Apr 7Oct 31Mar 29Nov 3
1954May 4Oct 30Apr 4Oct 31
1953Apr 20Oct 29Apr 19Nov 4
1952Apr 15Oct 3Apr 11Oct 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.