Last Frost Day

Frost history / Columbia City, IN

Columbia City, IN: frost dates by year

Last spring and first fall frost at NOAA station USC00121739, 1964 to 2025, measured from daily minimum temperatures.

Elevation 834 ft, 41.145, -85.490. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 27Oct 13
EarliestApr 2 (2019)Sep 21 (1991)
LatestMay 30 (2024)Nov 12 (2016)
Trendlittle change (less than half a day per decade)2.4 days later per decade
Years with data5556

At 28°F (hard freeze) the median last spring date is Apr 13 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 30Jun 141970198019902000201020201964: Apr 111965: Apr 301966: May 111967: May 31968: May 71969: Apr 211970: May 71971: Apr 251972: Apr 271974: May 81975: Apr 221976: May 91977: Apr 301978: May 21979: May 51980: May 81981: Apr 221982: Apr 221983: Apr 251984: Apr 121985: Apr 111986: May 41987: May 11988: Apr 301989: May 81990: Apr 181991: Apr 121992: May 71993: Apr 231994: Apr 231995: Apr 241996: May 131997: May 131998: Apr 181999: Apr 252000: Apr 272004: May 42005: May 42006: Apr 272009: Apr 242010: May 102011: Apr 222012: Apr 282013: Apr 272014: Apr 182015: Apr 292016: Apr 152017: May 82018: Apr 302019: Apr 22020: May 132022: Apr 272023: Apr 272024: May 302025: Apr 17

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261970198019902000201020201964: Oct 71965: Oct 41966: Oct 21967: Sep 231968: Oct 51969: Oct 151970: Oct 161971: Nov 11972: Oct 181973: Nov 51974: Sep 231975: Oct 31976: Sep 241977: Oct 131978: Oct 91979: Oct 141980: Oct 61981: Oct 31982: Oct 171983: Sep 241984: Oct 21985: Oct 21986: Oct 151987: Oct 41988: Oct 61989: Sep 241990: Oct 11991: Sep 211992: Oct 171993: Sep 301994: Oct 101995: Sep 231996: Oct 311997: Oct 181998: Oct 221999: Oct 52002: Oct 142003: Oct 22004: Oct 32005: Oct 262006: Oct 122009: Oct 172010: Oct 162011: Oct 222012: Sep 242013: Oct 222014: Oct 192015: Oct 182016: Nov 122017: Oct 262018: Oct 162019: Nov 12022: Oct 42023: Oct 222024: 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 9Nov 1
2024May 30Oct 15Apr 6Oct 16
2023Apr 27Oct 22Apr 26Oct 30
2022Apr 27Oct 4Apr 27Nov 13
2020May 13no dataMay 10no data
2019Apr 2Nov 1Apr 2Nov 1
2018Apr 30Oct 16Apr 22Oct 19
2017May 8Oct 26Apr 9Nov 9
2016Apr 15Nov 12Apr 13Nov 12
2015Apr 29Oct 18Apr 25Oct 18
2014Apr 18Oct 19Apr 17Nov 2
2013Apr 27Oct 22Apr 21Oct 23
2012Apr 28Sep 24Apr 13Oct 8
2011Apr 22Oct 22Apr 3Oct 22
2010May 10Oct 16Mar 30Oct 22
2009Apr 24Oct 17Apr 12Oct 17
2006Apr 27Oct 12Apr 10Oct 15
2005May 4Oct 26May 4Oct 29
2004May 4Oct 3May 3Oct 5
2003no dataOct 2no dataOct 2
2002no dataOct 14no dataOct 14
2000Apr 27no dataApr 10no data
1999Apr 25Oct 5Apr 19Oct 21
1998Apr 18Oct 22Apr 11Oct 22
1997May 13Oct 18Apr 26Oct 23
1996May 13Oct 31May 13Oct 31
1995Apr 24Sep 23Apr 6Sep 23
1994Apr 23Oct 10Apr 8Oct 27
1993Apr 23Sep 30Apr 22Oct 10
1992May 7Oct 17Apr 6Oct 19
1991Apr 12Sep 21Apr 12Sep 28
1990Apr 18Oct 1Apr 13Oct 26
1989May 8Sep 24May 8Oct 4
1988Apr 30Oct 6Apr 25Oct 13
1987May 1Oct 4Apr 9Oct 12
1986May 4Oct 15Apr 24Nov 3
1985Apr 11Oct 2Apr 11Nov 20
1984Apr 12Oct 2Apr 2Nov 3
1983Apr 25Sep 24Apr 21Nov 4
1982Apr 22Oct 17Apr 14Oct 17
1981Apr 22Oct 3Apr 6Oct 24
1980May 8Oct 6Apr 17Oct 29
1979May 5Oct 14Apr 30Oct 26
1978May 2Oct 9May 1Oct 17
1977Apr 30Oct 13Apr 10Oct 13
1976May 9Sep 24Apr 27Oct 18
1975Apr 22Oct 3Apr 14Nov 15
1974May 8Sep 23May 7Oct 3
1973no dataNov 5no dataNov 6
1972Apr 27Oct 18Apr 10Oct 19
1971Apr 25Nov 1Apr 14Nov 5
1970May 7Oct 16Apr 11Nov 15
1969Apr 21Oct 15Apr 1Oct 23
1968May 7Oct 5Apr 7Oct 30
1967May 3Sep 23Apr 26Nov 4
1966May 11Oct 2May 10Oct 6
1965Apr 30Oct 4Apr 4Oct 5
1964Apr 11Oct 7Apr 10Oct 7

"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.