Last Frost Day

Frost history / Fredericktown 4 S, OH

Fredericktown 4 S, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00332956, 1951 to 2011, measured from daily minimum temperatures.

Elevation 1,050 ft, 40.417, -82.533. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 4Oct 2
EarliestApr 11 (1964)Aug 29 (1986)
LatestMay 27 (1983)Oct 21 (2011)
Trend1.2 days earlier per decade1.6 days later per decade
Years with data5043

At 28°F (hard freeze) the median last spring date is Apr 25 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 141960197019801990200020101951: Apr 271952: May 31955: May 181956: May 81957: May 61958: Apr 301959: May 161960: Apr 191961: May 31962: Apr 211963: May 241964: Apr 111965: Apr 281966: May 101967: May 101968: May 71969: May 21970: May 81971: May 41972: May 101973: May 181974: May 81975: Apr 271976: May 131977: May 111978: May 71979: May 171980: May 101981: May 81982: May 41983: May 271984: May 171985: May 41986: May 41987: May 61988: May 21989: May 81993: Apr 271999: Apr 262000: Apr 272001: Apr 292002: May 212003: Apr 272004: May 42005: May 52006: Apr 272007: Apr 212008: Apr 152010: May 102011: Apr 14

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 271960197019801990200020101951: Sep 81953: Sep 141955: Oct 91956: Sep 211957: Sep 271958: Oct 21959: Sep 181960: Oct 201961: Oct 151962: Sep 211963: Sep 251964: Oct 61965: Oct 41966: Oct 21967: Sep 231968: Oct 41969: Oct 151970: Oct 161971: Oct 81972: Oct 91973: Sep 201974: Sep 231975: Sep 131976: Oct 121977: Oct 71978: Sep 261979: Oct 111980: Oct 51981: Oct 31982: Oct 161983: Sep 231984: Sep 171985: Sep 141986: Aug 291987: Sep 261999: Sep 222001: Oct 62002: Oct 132004: Oct 22005: Oct 162006: Oct 112009: Sep 292011: Oct 21

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
2011Apr 14Oct 21Apr 3Oct 27
2010May 10no dataApr 19no data
2009no dataSep 29no dataOct 18
2008Apr 15no dataApr 15no data
2007Apr 21no dataApr 10no data
2006Apr 27Oct 11Apr 26Oct 14
2005May 5Oct 16May 5Oct 28
2004May 4Oct 2Apr 28Oct 17
2003Apr 27no dataApr 26no data
2002May 21Oct 13Apr 7Oct 20
2001Apr 29Oct 6Apr 29Oct 7
2000Apr 27no dataApr 12no data
1999Apr 26Sep 22Apr 24Oct 20
1993Apr 27no dataApr 3no data
1989May 8no dataApr 25no data
1988May 2no dataApr 25no data
1987May 6Sep 26Apr 10Oct 4
1986May 4Aug 29May 4Oct 7
1985May 4Sep 14Apr 10Oct 2
1984May 17Sep 17Apr 11Nov 3
1983May 27Sep 23May 27Oct 27
1982May 4Oct 16May 4Oct 17
1981May 8Oct 3Apr 26Oct 17
1980May 10Oct 5Apr 18Oct 6
1979May 17Oct 11Apr 19Oct 14
1978May 7Sep 26May 4Sep 29
1977May 11Oct 7May 10Oct 7
1976May 13Oct 12Apr 28Oct 16
1975Apr 27Sep 13Apr 18Oct 3
1974May 8Sep 23May 8Sep 23
1973May 18Sep 20Apr 15Oct 19
1972May 10Oct 9Apr 26Oct 10
1971May 4Oct 8Apr 27Nov 4
1970May 8Oct 16May 7Oct 17
1969May 2Oct 15Apr 20Oct 15
1968May 7Oct 4May 6Oct 5
1967May 10Sep 23Apr 28Oct 20
1966May 10Oct 2May 10Oct 24
1965Apr 28Oct 4Apr 14Oct 5
1964Apr 11Oct 6Apr 9Oct 6
1963May 24Sep 25May 2Oct 30
1962Apr 21Sep 21Apr 21Sep 21
1961May 3Oct 15May 2Oct 15
1960Apr 19Oct 20Apr 11Oct 21
1959May 16Sep 18Apr 14Oct 18
1958Apr 30Oct 2Apr 30Nov 7
1957May 6Sep 27May 6Oct 12
1956May 8Sep 21Apr 25Sep 21
1955May 18Oct 9Apr 8Oct 22
1953no dataSep 14no dataOct 8
1952May 3no dataMay 3no data
1951Apr 27Sep 8Apr 20Sep 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.