Last Frost Day

Frost history / Warren 3 S, OH

Warren 3 S, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00338769, 1951 to 2025, measured from daily minimum temperatures.

Elevation 900 ft, 41.202, -80.811. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 10Oct 7
EarliestApr 17 (2008)Aug 29 (1982)
LatestJun 11 (1972)Nov 3 (2021)
Trend0.6 days earlier per decade1.8 days later per decade
Years with data7574

At 28°F (hard freeze) the median last spring date is Apr 29 and the median first fall date is Oct 19.

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 2919601970198019902000201020201951: May 141952: May 31953: Apr 241954: May 51955: May 91956: May 251957: May 61958: May 81959: May 91960: May 21961: May 301962: Apr 241963: May 241964: Apr 251965: Apr 291966: May 111967: May 231968: May 71969: May 271970: May 181971: May 281972: Jun 111973: May 61974: May 271975: May 81976: May 231977: Jun 71978: May 91979: May 171980: May 161981: May 201982: May 51983: May 181984: May 171985: May 91986: May 41987: May 61988: May 261989: May 71990: Jun 51991: May 41992: May 291993: May 211994: May 281995: May 91996: May 151997: May 231998: Apr 291999: Apr 272000: Apr 302001: May 142002: May 232003: Apr 282004: May 52005: May 62006: May 242007: May 152008: Apr 172009: May 202010: May 112011: May 62012: Apr 302013: May 152014: May 52015: May 242016: May 182017: May 102018: May 12019: Apr 302020: May 142021: May 142022: Apr 292023: May 202024: Apr 272025: May 5

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 301952: Sep 271953: Oct 81954: Oct 71955: Oct 221956: Oct 101957: Sep 271958: Oct 21959: Sep 171960: Oct 11961: Sep 291962: Oct 241963: Oct 51964: Oct 61965: Oct 61966: Oct 181967: Oct 131968: Oct 51969: Oct 91970: Oct 51971: Sep 251972: Oct 91973: Oct 61974: Sep 241975: Oct 31976: Sep 251977: Oct 141978: Sep 291979: Oct 111980: Oct 51981: Sep 291982: Aug 291983: Oct 151984: Oct 21985: Oct 31986: Oct 101987: Oct 91988: Oct 41989: Sep 271990: Oct 191991: Sep 221992: Oct 61993: Sep 241994: Oct 41995: Sep 111996: Oct 121997: Oct 151998: Oct 251999: Sep 222000: Sep 292001: Oct 82002: Oct 82003: Oct 32004: Oct 62005: Oct 202006: Oct 132007: Oct 282008: Oct 72009: Oct 112010: Oct 142011: Oct 232012: Oct 82013: Oct 242015: Oct 192016: Oct 142017: Oct 12018: Oct 192019: Oct 102020: Oct 172021: Nov 32022: Oct 92023: Oct 232024: Oct 102025: Oct 17

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
2025May 5Oct 17Apr 18Oct 17
2024Apr 27Oct 10Apr 27Oct 27
2023May 20Oct 23Apr 28Nov 2
2022Apr 29Oct 9Apr 29Oct 21
2021May 14Nov 3May 2Nov 4
2020May 14Oct 17May 14Oct 17
2019Apr 30Oct 10Apr 29Nov 2
2018May 1Oct 19May 1Oct 22
2017May 10Oct 1Apr 8Nov 1
2016May 18Oct 14Apr 14Nov 12
2015May 24Oct 19Apr 25Oct 19
2014May 5no dataApr 25no data
2013May 15Oct 24Apr 22Oct 28
2012Apr 30Oct 8Apr 30Oct 13
2011May 6Oct 23Apr 2Oct 30
2010May 11Oct 14May 10Oct 22
2009May 20Oct 11Apr 17Oct 18
2008Apr 17Oct 7Apr 17Oct 19
2007May 15Oct 28Apr 15Oct 29
2006May 24Oct 13May 7Oct 30
2005May 6Oct 20May 6Oct 30
2004May 5Oct 6Apr 28Nov 9
2003Apr 28Oct 3Apr 28Oct 3
2002May 23Oct 8May 23Oct 14
2001May 14Oct 8Apr 30Oct 9
2000Apr 30Sep 29Apr 27Oct 29
1999Apr 27Sep 22Apr 26Oct 7
1998Apr 29Oct 25Apr 13Nov 4
1997May 23Oct 15May 10Oct 23
1996May 15Oct 12May 15Nov 4
1995May 9Sep 11Apr 26Sep 24
1994May 28Oct 4May 3Oct 11
1993May 21Sep 24Mar 23Oct 3
1992May 29Oct 6Apr 29Oct 18
1991May 4Sep 22Apr 12Oct 14
1990Jun 5Oct 19Apr 19Oct 27
1989May 7Sep 27May 7Oct 23
1988May 26Oct 4Apr 26Oct 12
1987May 6Oct 9Apr 29Oct 14
1986May 4Oct 10May 4Oct 19
1985May 9Oct 3Apr 9Oct 17
1984May 17Oct 2Apr 12Nov 3
1983May 18Oct 15May 11Oct 30
1982May 5Aug 29Apr 29Oct 17
1981May 20Sep 29Apr 21Oct 17
1980May 16Oct 5May 10Oct 10
1979May 17Oct 11May 5Oct 27
1978May 9Sep 29May 3Oct 18
1977Jun 7Oct 14May 11Oct 14
1976May 23Sep 25May 12Oct 18
1975May 8Oct 3Apr 27Oct 3
1974May 27Sep 24May 8Sep 24
1973May 6Oct 6Apr 15Oct 19
1972Jun 11Oct 9Jun 11Oct 10
1971May 28Sep 25May 4Nov 4
1970May 18Oct 5May 7Nov 8
1969May 27Oct 9May 27Oct 23
1968May 7Oct 5May 7Oct 30
1967May 23Oct 13Apr 29Oct 29
1966May 11Oct 18May 11Oct 21
1965Apr 29Oct 6Apr 19Oct 25
1964Apr 25Oct 6Apr 11Oct 7
1963May 24Oct 5May 24Nov 25
1962Apr 24Oct 24Apr 21Oct 25
1961May 30Sep 29May 4Nov 7
1960May 2Oct 1Apr 19Oct 26
1959May 9Sep 17Apr 23Oct 19
1958May 8Oct 2Apr 30Oct 19
1957May 6Sep 27May 6Sep 28
1956May 25Oct 10May 25Oct 11
1955May 9Oct 22Apr 8Nov 10
1954May 5Oct 7Apr 9Oct 7
1953Apr 24Oct 8Apr 21Oct 8
1952May 3Sep 27May 3Oct 8
1951May 14Sep 30Apr 21Oct 13

"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.