Last Frost Day

Frost history / Paw Paw 2S, IL

Paw Paw 2S, IL: frost dates by year

Last spring and first fall frost at NOAA station USC00116661, 1962 to 2025, measured from daily minimum temperatures.

Elevation 889 ft, 41.665, -88.978. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 29Oct 11
EarliestMar 30 (1999)Sep 15 (2007)
LatestMay 25 (1992)Nov 10 (2016)
Trend0.5 days earlier per decade1.1 days later per decade
Years with data5761

At 28°F (hard freeze) the median last spring date is Apr 14 and the median first fall date is Oct 22.

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 301970198019902000201020201963: May 11964: Apr 151965: Apr 131966: May 121967: May 41968: May 51969: Apr 301971: May 31972: Apr 261973: Apr 171974: May 71975: Apr 131976: May 71977: May 101978: May 41979: May 21980: May 101981: May 131986: Apr 241987: Apr 91988: Apr 221989: May 81990: Apr 191991: Apr 111992: May 251993: Apr 221994: May 11995: Apr 131996: May 131997: May 11998: Apr 171999: Mar 302000: Apr 302001: Apr 192002: May 212003: May 32004: May 32005: May 42006: Apr 272007: Apr 162008: Apr 302009: Apr 152010: Apr 282011: May 52012: Apr 272013: Apr 242015: Apr 272016: Apr 132017: Apr 82018: Apr 292019: Apr 292020: May 92021: May 112022: Apr 282023: May 42024: Apr 252025: Apr 16

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261970198019902000201020201962: Sep 201963: Oct 291964: Oct 51965: Oct 41966: Oct 161967: Oct 121968: Oct 41969: Oct 141970: Oct 161971: Nov 11972: Oct 151973: Nov 41974: Sep 221975: Sep 281976: Sep 221977: Oct 61978: Oct 81979: Oct 101980: Oct 41981: Oct 21985: Oct 161986: Oct 151987: Oct 31988: Oct 51989: Oct 41990: Oct 111991: Oct 151992: Oct 171993: Oct 101994: Oct 271995: Sep 231996: Oct 111997: Oct 141998: Oct 141999: Oct 42000: Oct 72001: Oct 62002: Oct 132003: Oct 12004: Oct 22005: Oct 232006: Oct 122007: Sep 152008: Oct 212009: Oct 102010: Oct 32011: Sep 152012: Oct 62013: Oct 222014: Oct 42015: Oct 172016: Nov 102017: Oct 262018: Oct 122019: Oct 122020: Oct 162021: Oct 232022: Oct 82023: Oct 302024: Oct 162025: 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 16Oct 23Apr 16Oct 24
2024Apr 25Oct 16Apr 21Nov 21
2023May 4Oct 30Apr 26Oct 30
2022Apr 28Oct 8Apr 27Oct 18
2021May 11Oct 23Apr 21Nov 2
2020May 9Oct 16May 9Oct 17
2019Apr 29Oct 12Apr 28Oct 31
2018Apr 29Oct 12Apr 29Oct 12
2017Apr 8Oct 26Mar 23Oct 29
2016Apr 13Nov 10Apr 13Nov 12
2015Apr 27Oct 17Apr 23Oct 17
2014no dataOct 4no dataNov 1
2013Apr 24Oct 22Apr 5Oct 22
2012Apr 27Oct 6Apr 12Oct 8
2011May 5Sep 15Apr 1Oct 30
2010Apr 28Oct 3Apr 10Oct 29
2009Apr 15Oct 10Apr 13Oct 10
2008Apr 30Oct 21Apr 14Oct 28
2007Apr 16Sep 15Apr 15Nov 2
2006Apr 27Oct 12Apr 27Oct 12
2005May 4Oct 23May 3Nov 10
2004May 3Oct 2Apr 14Oct 17
2003May 3Oct 1Apr 23Oct 2
2002May 21Oct 13Apr 7Oct 16
2001Apr 19Oct 6Apr 19Oct 28
2000Apr 30Oct 7Apr 13Oct 7
1999Mar 30Oct 4Mar 27Oct 18
1998Apr 17Oct 14Mar 24Oct 22
1997May 1Oct 14Apr 18Oct 15
1996May 13Oct 11Apr 14Oct 31
1995Apr 13Sep 23Apr 6Oct 22
1994May 1Oct 27Apr 9Nov 19
1993Apr 22Oct 10Apr 7Oct 31
1992May 25Oct 17Apr 6Oct 17
1991Apr 11Oct 15Apr 2Oct 19
1990Apr 19Oct 11Apr 13Oct 19
1989May 8Oct 4May 7Oct 4
1988Apr 22Oct 5Apr 22Oct 12
1987Apr 9Oct 3Apr 5Oct 4
1986Apr 24Oct 15Apr 23Nov 2
1985no dataOct 16no dataNov 9
1981May 13Oct 2Apr 7Oct 23
1980May 10Oct 4May 10Oct 5
1979May 2Oct 10Apr 11Oct 14
1978May 4Oct 8May 2Oct 8
1977May 10Oct 6Apr 8Oct 13
1976May 7Sep 22Apr 12Oct 17
1975Apr 13Sep 28Apr 13Nov 12
1974May 7Sep 22Apr 24Oct 2
1973Apr 17Nov 4Apr 13Nov 4
1972Apr 26Oct 15Apr 25Oct 19
1971May 3Nov 1Apr 25Nov 4
1970no dataOct 16no dataOct 16
1969Apr 30Oct 14Apr 24Oct 23
1968May 5Oct 4Apr 6Oct 25
1967May 4Oct 12Apr 25Oct 26
1966May 12Oct 16May 10Oct 25
1965Apr 13Oct 4Apr 3Oct 28
1964Apr 15Oct 5Apr 10Oct 10
1963May 1Oct 29Apr 12Oct 29
1962no dataSep 20no dataOct 24

"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.