Last Frost Day

Frost history / Kenton, OH

Kenton, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00334189, 1951 to 2010, measured from daily minimum temperatures.

Elevation 997 ft, 40.649, -83.606. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 28Oct 7
EarliestApr 9 (1964)Sep 14 (1975)
LatestMay 27 (1961)Nov 4 (1971)
Trend3.2 days earlier per decade1.3 days later per decade
Years with data4538

At 28°F (hard freeze) the median last spring date is Apr 17 and the median first fall date is Oct 20.

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 141960197019801990200020101951: Apr 231952: Apr 161953: Apr 211954: May 211955: May 181956: May 81957: May 51958: Apr 301959: May 161960: May 11961: May 271962: Apr 241963: May 21964: Apr 91965: Apr 191966: May 111967: Apr 281968: May 71969: May 11970: May 71971: May 41972: May 101973: May 181974: May 71975: Apr 261977: May 111978: May 41981: May 81982: Apr 281983: May 91984: Apr 231985: Apr 101987: Apr 91990: Apr 191991: Apr 121999: Apr 172000: Apr 132001: Apr 192002: Apr 242003: Apr 222005: May 42007: Apr 112008: Apr 142009: Apr 232010: Apr 18

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Sep 291953: Oct 71955: Oct 221956: Sep 191957: Oct 111958: Oct 21959: Sep 171960: Oct 201961: Oct 151962: Sep 211963: Oct 131964: Oct 51965: Oct 41966: Oct 61967: Sep 291968: Oct 211969: Oct 151970: Oct 161971: Nov 41972: Oct 91974: Sep 231975: Sep 141976: Sep 241977: Oct 71978: Oct 81980: Oct 51982: Oct 171983: Oct 271987: Oct 41988: Oct 121991: Oct 161992: Oct 171999: Oct 232000: Oct 92001: Oct 72003: Oct 12008: Oct 192009: Oct 1

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
2010Apr 18no dataMar 30no data
2009Apr 23Oct 1Apr 23Oct 17
2008Apr 14Oct 19Apr 2Oct 30
2007Apr 11no dataApr 10no data
2005May 4no dataMar 25no data
2003Apr 22Oct 1Apr 6Nov 7
2002Apr 24no dataApr 7no data
2001Apr 19Oct 7Apr 18Dec 10
2000Apr 13Oct 9Apr 9Nov 17
1999Apr 17Oct 23Mar 28Nov 15
1992no dataOct 17no dataOct 19
1991Apr 12Oct 16Apr 3Oct 20
1990Apr 19no dataApr 18no data
1988no dataOct 12no dataOct 13
1987Apr 9Oct 4Apr 5Nov 11
1985Apr 10no dataApr 10no data
1984Apr 23no dataApr 11no data
1983May 9Oct 27Apr 20Nov 4
1982Apr 28Oct 17Apr 12Oct 17
1981May 8no dataApr 21no data
1980no dataOct 5no dataOct 6
1978May 4Oct 8May 3Oct 24
1977May 11Oct 7May 10Oct 13
1976no dataSep 24no dataOct 18
1975Apr 26Sep 14Apr 17Oct 3
1974May 7Sep 23May 7Sep 23
1973May 18no dataApr 14no data
1972May 10Oct 9Apr 26Oct 20
1971May 4Nov 4Apr 27Nov 5
1970May 7Oct 16Apr 11Oct 17
1969May 1Oct 15Apr 20Oct 23
1968May 7Oct 21Apr 11Oct 30
1967Apr 28Sep 29Apr 25Oct 20
1966May 11Oct 6May 10Oct 26
1965Apr 19Oct 4Apr 19Oct 5
1964Apr 9Oct 5Apr 5Oct 7
1963May 2Oct 13May 1Oct 30
1962Apr 24Sep 21Apr 17Oct 25
1961May 27Oct 15Apr 17Oct 27
1960May 1Oct 20May 1Oct 25
1959May 16Sep 17Apr 23Oct 18
1958Apr 30Oct 2Apr 30Oct 29
1957May 5Oct 11Apr 15Oct 12
1956May 8Sep 19Apr 23Oct 11
1955May 18Oct 22Apr 8Oct 25
1954May 21no dataMay 8no data
1953Apr 21Oct 7Apr 21Oct 7
1952Apr 16no dataApr 8no data
1951Apr 23Sep 29Apr 23Oct 9

"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.