Last Frost Day

Frost history / Wilmington 3 N, OH

Wilmington 3 N, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00339219, 1951 to 2018, measured from daily minimum temperatures.

Elevation 1,033 ft, 39.491, -83.820. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 24Oct 16
EarliestApr 4 (1993)Sep 21 (1962)
LatestMay 27 (1961)Nov 8 (1956)
Trend2.4 days earlier per decade1.0 days later per decade
Years with data6565

At 28°F (hard freeze) the median last spring date is Apr 10 and the median first fall date is Oct 26.

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 141960197019801990200020101951: Apr 231952: Apr 171953: Apr 211954: May 211955: Apr 81956: Apr 231957: May 61958: Apr 301959: May 161960: Apr 111961: May 271962: Apr 241963: May 231964: Apr 101965: Apr 141966: May 101967: May 31968: May 61969: Apr 201970: May 71971: May 41972: May 101973: May 51975: Apr 221976: May 131977: May 111978: May 11979: May 61980: May 101981: Apr 221982: Apr 291983: Apr 251984: Apr 201985: Apr 111986: May 31987: Apr 101988: Apr 261989: May 81990: Apr 191991: Apr 121992: Apr 71993: Apr 41994: May 21995: Apr 61996: Apr 111997: Apr 191998: Apr 71999: Apr 262000: Apr 142001: Apr 272002: May 222003: Apr 242005: May 52006: Apr 112007: Apr 152009: Apr 132010: Apr 192011: Apr 42012: Apr 132013: Apr 272014: Apr 172015: Apr 252016: Apr 142017: Apr 92018: Apr 30

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261960197019801990200020101951: Oct 91952: Oct 31953: Oct 71954: Oct 181955: Oct 251956: Nov 81957: Oct 201958: Oct 21959: Oct 181960: Oct 211961: Oct 151962: Sep 211963: Oct 301964: Oct 61965: Oct 51966: Oct 61967: Oct 191968: Oct 51969: Oct 181970: Oct 161971: Nov 41972: Oct 151973: Oct 171975: Oct 31976: Sep 221977: Oct 171978: Oct 91979: Oct 131980: Oct 51982: Oct 171983: Nov 41984: Oct 31985: Oct 31986: Oct 191987: Oct 41988: Oct 41989: Oct 41990: Oct 201991: Oct 161992: Oct 191993: Oct 11994: Oct 281995: Sep 241996: Nov 21997: Oct 161998: Oct 231999: Oct 192000: Oct 82001: Oct 72002: Oct 142003: Oct 22004: Oct 62005: Oct 282007: Oct 132008: Oct 192009: Oct 182010: Oct 222011: Oct 222012: Oct 82013: Oct 252014: Nov 22015: Oct 182016: Nov 52017: Oct 262018: Oct 18

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