Last Frost Day

Frost history / New Castle 3 Sw, IN

New Castle 3 Sw, IN: frost dates by year

Last spring and first fall frost at NOAA station USC00126164, 1951 to 2025, measured from daily minimum temperatures.

Elevation 991 ft, 39.894, -85.395. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 28Oct 12
EarliestMar 31 (1999)Sep 17 (1959)
LatestMay 27 (1961)Nov 5 (2016)
Trend0.6 days earlier per decade1.6 days later per decade
Years with data7473

At 28°F (hard freeze) the median last spring date is Apr 12 and the median first fall date is Oct 24.

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 30Jun 1419601970198019902000201020201951: Apr 231952: Apr 161953: Apr 281954: May 101955: Apr 101956: Apr 241957: May 41958: May 11959: May 161960: May 81961: May 271962: Apr 241963: May 21964: Apr 111966: May 111967: Apr 291968: May 61969: Apr 261970: May 71971: May 51972: Apr 281973: May 181974: May 81975: Apr 221976: May 91977: Apr 301978: Apr 231979: May 61980: Apr 261981: Apr 221982: Apr 241983: Apr 261984: Apr 211985: Apr 111986: May 41987: Apr 91988: May 21989: May 81990: Apr 191991: Apr 121992: Apr 281993: Apr 281994: May 31995: Apr 111996: May 141997: Apr 261998: Apr 121999: Mar 312000: Apr 132001: Apr 262002: May 202003: Apr 242004: Apr 282005: May 52006: Apr 102007: Apr 162008: Apr 302009: Apr 242010: Apr 292011: May 62012: Apr 282013: Apr 272014: Apr 242015: Apr 292016: May 172017: May 92018: May 12019: Apr 32020: May 132021: May 112022: Apr 282023: Apr 252024: Apr 232025: Apr 17

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 291952: Oct 71953: Sep 221954: Oct 181955: Oct 251956: Oct 101957: Oct 111958: Oct 11959: Sep 171960: Oct 171961: Sep 291962: Oct 241963: Sep 301964: Oct 71965: Oct 41966: Oct 21967: Oct 121968: Oct 51969: Oct 161970: Oct 161971: Nov 41972: Oct 161974: Sep 231975: Oct 31976: Oct 101977: Oct 131978: Oct 91979: Oct 131980: Oct 51981: Oct 41982: Oct 171983: Sep 241984: Nov 31985: Oct 21986: Oct 191987: Oct 41988: Oct 61989: Oct 41990: Oct 261991: Oct 161992: Oct 171993: Sep 301994: Oct 111995: Sep 231996: Oct 191997: Oct 151998: Oct 221999: Oct 192000: Oct 72001: Oct 72003: Oct 22004: Oct 32005: Oct 262006: Oct 122007: Oct 282008: Oct 192009: Oct 112010: Oct 172011: Oct 22012: Oct 62013: Oct 222014: Oct 232015: Oct 152016: Nov 52017: Oct 262018: Oct 162019: Oct 122020: Oct 32021: Oct 272022: Oct 42023: Oct 232024: Oct 162025: Oct 24

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 24Apr 13Oct 24
2024Apr 23Oct 16Apr 7Nov 22
2023Apr 25Oct 23Apr 25Oct 31
2022Apr 28Oct 4Apr 11Oct 8
2021May 11Oct 27Apr 22Nov 3
2020May 13Oct 3May 10Oct 17
2019Apr 3Oct 12Apr 3Nov 1
2018May 1Oct 16Apr 30Oct 18
2017May 9Oct 26May 9Oct 26
2016May 17Nov 5Apr 10Nov 12
2015Apr 29Oct 15Apr 25Oct 17
2014Apr 24Oct 23Apr 17Nov 2
2013Apr 27Oct 22Apr 6Oct 23
2012Apr 28Oct 6Apr 13Oct 8
2011May 6Oct 2Apr 2Oct 22
2010Apr 29Oct 17Mar 31Oct 22
2009Apr 24Oct 11Apr 8Oct 18
2008Apr 30Oct 19Mar 30Oct 22
2007Apr 16Oct 28Apr 11Nov 8
2006Apr 10Oct 12Mar 27Oct 25
2005May 5Oct 26Mar 25Oct 29
2004Apr 28Oct 3Apr 15Nov 9
2003Apr 24Oct 2Apr 24Oct 2
2002May 20no dataApr 8no data
2001Apr 26Oct 7Apr 19Oct 7
2000Apr 13Oct 7Apr 10Oct 7
1999Mar 31Oct 19Mar 29Oct 21
1998Apr 12Oct 22Apr 6Nov 5
1997Apr 26Oct 15Apr 19Oct 23
1996May 14Oct 19Apr 17Oct 31
1995Apr 11Sep 23Apr 6Nov 3
1994May 3Oct 11Apr 8Oct 27
1993Apr 28Sep 30Apr 5Nov 2
1992Apr 28Oct 17Apr 5Oct 19
1991Apr 12Oct 16Apr 12Oct 16
1990Apr 19Oct 26Apr 19Oct 26
1989May 8Oct 4Apr 14Oct 22
1988May 2Oct 6Apr 20Oct 12
1987Apr 9Oct 4Apr 5Oct 13
1986May 4Oct 19Apr 24Nov 10
1985Apr 11Oct 2Apr 11Nov 21
1984Apr 21Nov 3Apr 2Nov 7
1983Apr 26Sep 24Apr 20Nov 5
1982Apr 24Oct 17Apr 14Oct 17
1981Apr 22Oct 4Mar 26Oct 24
1980Apr 26Oct 5Mar 28Oct 13
1979May 6Oct 13Apr 29Oct 14
1978Apr 23Oct 9Apr 23Oct 24
1977Apr 30Oct 13Apr 2Oct 17
1976May 9Oct 10May 3Oct 18
1975Apr 22Oct 3Apr 17Oct 30
1974May 8Sep 23May 7Oct 3
1973May 18no dataApr 15no data
1972Apr 28Oct 16Apr 10Oct 20
1971May 5Nov 4Apr 25Nov 7
1970May 7Oct 16Apr 7Nov 16
1969Apr 26Oct 16Apr 1Oct 23
1968May 6Oct 5Apr 7Oct 30
1967Apr 29Oct 12Apr 25Oct 22
1966May 11Oct 2May 10Oct 26
1965no dataOct 4no dataOct 25
1964Apr 11Oct 7Apr 10Oct 7
1963May 2Sep 30May 1Oct 30
1962Apr 24Oct 24Apr 21Oct 24
1961May 27Sep 29Apr 17Oct 27
1960May 8Oct 17Apr 11Oct 20
1959May 16Sep 17Apr 23Sep 18
1958May 1Oct 1Apr 1Oct 31
1957May 4Oct 11Apr 16Oct 28
1956Apr 24Oct 10Apr 23Nov 9
1955Apr 10Oct 25Apr 9Oct 25
1954May 10Oct 18Apr 5Oct 28
1953Apr 28Sep 22Apr 20Oct 8
1952Apr 16Oct 7Apr 16Oct 7
1951Apr 23Sep 29Apr 4Oct 29

"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.