Last Frost Day

Frost history / Stockton 3 Nne, IL

Stockton 3 Nne, IL: frost dates by year

Last spring and first fall frost at NOAA station USC00118293, 1951 to 2025, measured from daily minimum temperatures.

Elevation 970 ft, 42.400, -89.990. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 29Oct 6
EarliestApr 7 (1955)Sep 16 (1984)
LatestMay 29 (1965)Nov 1 (1973)
Trend0.8 days earlier per decade0.7 days later per decade
Years with data7374

At 28°F (hard freeze) the median last spring date is Apr 17 and the median first fall date is Oct 17.

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 31Apr 15Apr 30May 15May 30Jun 1419601970198019902000201020201951: Apr 261952: Apr 251953: May 131954: May 201955: Apr 71956: May 161957: May 51958: May 231959: Apr 211960: May 81961: May 11962: Apr 201963: Apr 241964: Apr 81965: May 291966: May 111967: May 161968: Apr 251969: Apr 291970: May 61971: May 31972: Apr 251973: Apr 131974: May 71975: Apr 201976: May 31977: May 91979: May 11980: May 91981: May 121982: Apr 281983: May 101984: May 161985: Apr 291986: May 31987: May 51988: Apr 271989: May 121991: Apr 201992: May 61993: Apr 211994: May 11995: Apr 251996: Apr 291997: May 161998: Apr 281999: Apr 252000: Apr 132001: Apr 182002: May 212003: Apr 232004: May 32005: May 52006: Apr 92007: Apr 162008: Apr 292009: Apr 172010: Apr 182011: May 42012: Apr 272013: Apr 212014: Apr 232015: Apr 272016: May 152017: May 32018: Apr 292019: Apr 282020: May 92021: May 82022: May 42023: May 42024: Apr 252025: Apr 17

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 291952: Oct 31953: Sep 221954: Oct 71955: Oct 241956: Sep 201957: Sep 271958: Oct 11959: Oct 121960: Oct 191961: Sep 281962: Oct 241963: Oct 291964: Oct 61965: Oct 121966: Oct 171967: Sep 291968: Oct 41969: Oct 141970: Oct 101971: Oct 121972: Sep 301973: Nov 11974: Sep 221975: Oct 21976: Oct 81977: Oct 111978: Oct 81979: Sep 221980: Oct 41981: Oct 21982: Oct 211983: Sep 231984: Sep 161986: Oct 61987: Oct 31988: Oct 51989: Sep 231990: Oct 101991: Sep 191992: Sep 291993: Sep 301994: Oct 101995: Sep 221996: Oct 31997: Oct 141998: Oct 141999: Oct 42000: Oct 62001: Oct 62002: Oct 72003: Oct 12004: Oct 22005: Oct 232006: Oct 122007: Oct 252008: Oct 42009: Oct 102010: Oct 32011: Oct 12012: Sep 242013: Oct 142014: Oct 102015: Oct 172016: Oct 142017: Oct 292018: Sep 292019: Oct 122020: Oct 42021: Oct 232022: Sep 292023: Oct 112024: Oct 152025: 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 17Oct 23Apr 17Oct 24
2024Apr 25Oct 15Apr 21Oct 16
2023May 4Oct 11Apr 27Oct 30
2022May 4Sep 29Apr 19Oct 8
2021May 8Oct 23Apr 25Nov 3
2020May 9Oct 4May 9Oct 20
2019Apr 28Oct 12Apr 28Oct 25
2018Apr 29Sep 29Apr 29Oct 13
2017May 3Oct 29Mar 22Oct 29
2016May 15Oct 14Apr 12Nov 12
2015Apr 27Oct 17Apr 24Oct 17
2014Apr 23Oct 10Apr 18Oct 11
2013Apr 21Oct 14Apr 20Oct 22
2012Apr 27Sep 24Apr 11Oct 8
2011May 4Oct 1May 4Nov 4
2010Apr 18Oct 3Mar 29Oct 22
2009Apr 17Oct 10Apr 12Oct 10
2008Apr 29Oct 4Apr 14Oct 28
2007Apr 16Oct 25Apr 13Nov 2
2006Apr 9Oct 12Apr 9Oct 12
2005May 5Oct 23May 4Oct 27
2004May 3Oct 2Apr 13Oct 5
2003Apr 23Oct 1Apr 10Oct 2
2002May 21Oct 7Apr 6Oct 16
2001Apr 18Oct 6Apr 17Oct 6
2000Apr 13Oct 6Apr 12Oct 7
1999Apr 25Oct 4Mar 27Oct 14
1998Apr 28Oct 14Apr 5Oct 22
1997May 16Oct 14Apr 17Oct 15
1996Apr 29Oct 3Apr 14Oct 19
1995Apr 25Sep 22Apr 6Sep 23
1994May 1Oct 10Apr 24Oct 10
1993Apr 21Sep 30Apr 18Oct 10
1992May 6Sep 29May 6Oct 17
1991Apr 20Sep 19Apr 1Sep 27
1990no dataOct 10no dataOct 12
1989May 12Sep 23May 7Oct 4
1988Apr 27Oct 5Apr 21Oct 6
1987May 5Oct 3Apr 8Oct 3
1986May 3Oct 6Apr 22Oct 10
1985Apr 29no dataApr 9no data
1984May 16Sep 16May 1Sep 29
1983May 10Sep 23May 9Oct 18
1982Apr 28Oct 21Apr 28Oct 21
1981May 12Oct 2Apr 21Oct 3
1980May 9Oct 4Apr 26Oct 4
1979May 1Sep 22Apr 10Oct 14
1978no dataOct 8no dataOct 8
1977May 9Oct 11Apr 8Nov 11
1976May 3Oct 8Apr 27Oct 17
1975Apr 20Oct 2Apr 13Nov 13
1974May 7Sep 22Apr 23Sep 22
1973Apr 13Nov 1Apr 13Nov 5
1972Apr 25Sep 30Apr 25Oct 18
1971May 3Oct 12Apr 24Nov 4
1970May 6Oct 10Apr 10Nov 14
1969Apr 29Oct 14Apr 6Oct 17
1968Apr 25Oct 4Apr 6Oct 7
1967May 16Sep 29Apr 24Oct 26
1966May 11Oct 17May 10Oct 30
1965May 29Oct 12Apr 3Oct 24
1964Apr 8Oct 6Apr 8Oct 9
1963Apr 24Oct 29Apr 10Nov 2
1962Apr 20Oct 24Apr 20Oct 24
1961May 1Sep 28Apr 10Nov 3
1960May 8Oct 19Apr 10Oct 19
1959Apr 21Oct 12Apr 11Oct 12
1958May 23Oct 1May 5Oct 29
1957May 5Sep 27May 4Oct 20
1956May 16Sep 20Apr 30Oct 10
1955Apr 7Oct 24Apr 7Nov 3
1954May 20Oct 7May 7Oct 19
1953May 13Sep 22Apr 27Oct 7
1952Apr 25Oct 3Apr 15Oct 3
1951Apr 26Sep 29Apr 20Oct 31

"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.