Last Frost Day

Frost history / Rushville, IL

Rushville, IL: frost dates by year

Last spring and first fall frost at NOAA station USC00117551, 1951 to 2016, measured from daily minimum temperatures.

Elevation 673 ft, 40.127, -90.559. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 16Oct 19
EarliestMar 27 (2010)Sep 21 (1995)
LatestMay 10 (1966)Nov 12 (2016)
Trend1.4 days earlier per decadelittle change (less than half a day per decade)
Years with data5559

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 151960197019801990200020101951: Apr 221952: Apr 151953: Apr 201954: May 41955: Apr 71956: Apr 241957: Apr 151958: Apr 291959: Apr 221961: May 21962: Apr 171963: Apr 231964: Apr 91965: Apr 161966: May 101968: Apr 251970: May 21971: Apr 71972: Apr 251973: Apr 131975: Apr 71976: May 41977: Apr 61978: May 21979: Apr 101980: Apr 151981: Apr 61982: Apr 211983: Apr 201984: Apr 31985: Apr 91986: Apr 221989: Apr 131990: Apr 181991: Mar 301993: Apr 171994: Apr 71995: Apr 61996: Apr 151997: Apr 171998: Apr 51999: Apr 162003: Apr 102005: May 42006: Apr 82007: Apr 152008: Apr 292009: Apr 132010: Mar 272011: May 52012: Apr 122013: Apr 212014: Apr 162015: Apr 52016: Apr 13

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261960197019801990200020101951: Oct 311952: Oct 31953: Nov 51954: Oct 281955: Oct 301956: Nov 81957: Oct 271958: Oct 11959: Oct 121960: Oct 201961: Oct 261962: Oct 241963: Oct 291964: Oct 61965: Oct 241966: Oct 61967: Sep 291968: Oct 251969: Oct 141970: Oct 101971: Nov 41972: Oct 151973: Nov 31975: Oct 201976: Oct 161977: Oct 131978: Oct 81979: Oct 51980: Oct 51981: Oct 191982: Oct 211983: Sep 231984: Sep 291985: Oct 11987: Oct 71988: Oct 61989: Nov 21991: Oct 71992: Oct 171993: Oct 91995: Sep 211996: Oct 191997: Oct 221998: Nov 61999: Oct 182002: Oct 142003: Oct 22005: Oct 262006: Oct 122007: Nov 12008: Oct 282009: Oct 112010: Oct 292011: Oct 292012: Oct 272013: Oct 232014: Nov 12015: Oct 172016: Nov 12

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