Last Frost Day

Frost history / Evansville Museum, IN

Evansville Museum, IN: frost dates by year

Last spring and first fall frost at NOAA station USC00122731, 1951 to 2023, measured from daily minimum temperatures.

Elevation 374 ft, 37.965, -87.573. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 7Oct 30
EarliestMar 17 (2005)Oct 3 (1974)
LatestMay 10 (1966)Nov 26 (2004)
Trend1.2 days earlier per decade2.7 days later per decade
Years with data6058

At 28°F (hard freeze) the median last spring date is Mar 24 and the median first fall date is Nov 11.

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 1Mar 16Mar 31Apr 15Apr 30May 1519601970198019902000201020201951: Apr 171952: Mar 281953: Apr 201954: Apr 11955: Mar 301956: Apr 191957: Apr 131958: Apr 81959: Mar 281960: Apr 101961: Apr 111962: Apr 161963: May 11964: Apr 11965: Mar 311966: May 101967: Mar 221968: Mar 251969: Mar 311970: Apr 71971: Apr 71972: Apr 91973: Apr 141974: Apr 91975: Apr 131976: Apr 131977: Mar 241978: Apr 221979: Apr 61980: Mar 221981: Mar 241982: Apr 101983: Apr 201984: Apr 11985: Apr 101986: Apr 231987: Apr 41988: Apr 191989: Apr 111990: Apr 121991: Mar 311992: Apr 31994: Apr 71995: Apr 52001: Apr 172002: Apr 52003: Mar 302004: Mar 222005: Mar 172006: Mar 252007: Apr 92015: Mar 292016: Apr 92017: Mar 202018: Apr 82019: Apr 12020: Apr 162021: Apr 212022: Mar 282023: Mar 20

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Nov 21952: Oct 71953: Nov 51954: Oct 301955: Oct 251956: Nov 91957: Oct 281958: Nov 71959: Oct 281960: Oct 201961: Oct 151962: Oct 241963: Oct 301964: Oct 101965: Oct 251966: Oct 271967: Oct 111968: Oct 261969: Oct 231970: Oct 171971: Nov 41972: Oct 201973: Nov 61974: Oct 31975: Nov 141976: Oct 181977: Nov 121978: Nov 81979: Oct 101980: Oct 261981: Oct 241982: Oct 221983: Nov 51984: Nov 31985: Nov 201986: Nov 121987: Oct 121988: Oct 131989: Nov 11990: Oct 261991: Oct 161992: Oct 191994: Nov 221995: Nov 32000: Nov 142001: Oct 282002: Nov 22003: Nov 92004: Nov 262012: Nov 142015: Nov 202016: Nov 202017: Nov 102018: Nov 102020: Nov 32021: Nov 42022: Nov 122023: Oct 30

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

"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.