Last Frost Day

Frost history / Danville 2 W, OH

Danville 2 W, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00332044, 1963 to 2022, measured from daily minimum temperatures.

Elevation 970 ft, 40.439, -82.304. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 7Oct 1
EarliestApr 16 (1964)Aug 29 (1986)
LatestJun 11 (1972)Nov 3 (2021)
Trend2.4 days earlier per decade4.2 days later per decade
Years with data5758

At 28°F (hard freeze) the median last spring date is Apr 28 and the median first fall date is Oct 15.

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 31Apr 15Apr 30May 15May 30Jun 14Jun 291970198019902000201020201964: Apr 161965: Apr 291966: Jun 21967: May 231968: May 71969: May 271970: May 71971: May 281972: Jun 111973: May 181974: May 261975: Apr 271976: May 191977: May 121978: May 31979: May 171980: May 151981: May 211982: May 31983: May 271984: May 171985: May 91986: May 41987: May 61988: May 41989: May 81990: Apr 201991: Apr 251992: May 71993: May 221994: May 141995: May 31996: May 151997: May 231998: Apr 291999: Apr 282000: Apr 282001: Apr 302002: May 232003: Apr 282004: May 52005: May 62006: May 72007: May 142008: Apr 172009: May 192010: May 102011: May 62012: Apr 272015: Apr 292016: May 162017: May 92018: Apr 302019: Apr 162020: May 132021: May 142022: Apr 29

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111970198019902000201020201963: Sep 241964: Sep 141965: Sep 261966: Sep 161967: Sep 231968: Sep 291969: Sep 291970: Sep 291971: Oct 81972: Oct 11973: Sep 191974: Sep 231975: Sep 141976: Sep 251977: Oct 71978: Sep 291979: Oct 111980: Sep 271981: Sep 241982: Sep 221983: Sep 231984: Sep 171985: Sep 141986: Aug 291987: Sep 261988: Oct 41989: Sep 271990: Oct 201991: Sep 211992: Sep 301993: Oct 31994: Oct 41995: Sep 231996: Oct 41997: Oct 21998: Oct 21999: Sep 222000: Sep 172001: Oct 72002: Oct 92003: Oct 22004: Oct 32005: Oct 172006: Oct 122007: Sep 162008: Oct 52009: Oct 12010: Oct 162011: Oct 232012: Sep 242014: Oct 122015: Oct 152016: Oct 102017: Oct 262018: Oct 162019: Oct 132020: Oct 172021: Nov 3

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

"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.