Last Frost Day

Frost history / Oberlin, OH

Oberlin, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00336196, 1951 to 2008, measured from daily minimum temperatures.

Elevation 816 ft, 41.280, -82.219. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 6Oct 11
EarliestApr 9 (1987)Sep 11 (1967)
LatestJun 11 (1972)Nov 11 (1998)
Trend3.1 days earlier per decade1.9 days later per decade
Years with data5656

At 28°F (hard freeze) the median last spring date is Apr 20 and the median first fall date is Oct 25.

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 29196019701980199020001951: Apr 271952: May 31953: Apr 281954: May 81955: May 91956: May 251957: May 61958: May 241959: May 161960: Apr 291961: May 301962: Apr 211963: May 241964: May 301965: Apr 281966: Jun 11967: May 231968: May 71969: May 271970: May 71971: May 41972: Jun 111973: May 171974: May 101975: May 71977: May 101978: May 71979: May 51980: May 161982: Apr 291983: May 101984: May 171985: May 91986: May 31987: Apr 91988: Apr 221989: Apr 241990: Apr 191991: Apr 121992: Apr 151993: Apr 281994: May 141995: Apr 261996: May 141997: May 21998: Apr 271999: Apr 242000: Apr 262001: Apr 282002: May 212003: Apr 262004: May 32005: May 272006: May 62007: Apr 142008: Apr 16

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26196019701980199020001951: Oct 91952: Oct 41953: Oct 81954: Oct 81955: Oct 221956: Sep 211957: Sep 281958: Oct 21959: Oct 181960: Oct 11961: Nov 41962: Oct 241963: Oct 131964: Oct 61965: Oct 51966: Oct 71967: Sep 111968: Oct 51969: Oct 181970: Oct 171971: Nov 41972: Oct 101973: Oct 191974: Sep 231975: Sep 131976: Sep 231977: Oct 121978: Oct 91979: Oct 101980: Oct 41981: Oct 41983: Oct 151984: Sep 161985: Oct 291986: Oct 191987: Oct 131988: Oct 81989: Oct 41990: Oct 201991: Sep 281992: Oct 181993: Oct 111994: Oct 111995: Sep 241997: Oct 181998: Nov 111999: Oct 202000: Oct 282001: Oct 72002: Oct 132003: Oct 22004: Oct 172005: Oct 272006: Oct 142007: Oct 282008: Oct 19

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

"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.