Last Frost Day

Frost history / Toledo Express Ap, OH

Toledo Express Ap, OH: frost dates by year

Last spring and first fall frost at NOAA station USW00094830, 1955 to 2024, measured from daily minimum temperatures.

Elevation 669 ft, 41.589, -83.801. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 30Oct 11
EarliestApr 2 (2019)Sep 14 (1975)
LatestJun 11 (1972)Nov 13 (2022)
Trend2.7 days earlier per decade3.7 days later per decade
Years with data7069

At 28°F (hard freeze) the median last spring date is Apr 18 and the median first fall date is Oct 27.

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 14Jun 2919601970198019902000201020201955: May 91956: May 81957: May 31958: Apr 301959: Apr 231960: May 81961: May 51962: Apr 241963: May 241964: May 211965: Apr 291966: May 101967: May 231968: May 71969: May 11970: May 71971: May 41972: Jun 111973: May 181974: May 71975: Apr 261976: May 81977: May 101978: May 31979: May 51980: May 91981: May 81982: Apr 291983: May 101984: May 21985: Apr 101986: May 41987: Apr 101988: Apr 251989: May 71990: May 21991: Apr 111992: Apr 131993: Apr 271994: May 21995: Apr 151996: May 141997: Apr 201998: Apr 281999: Apr 252000: Apr 142001: Apr 292002: Apr 232003: Apr 272004: May 42005: May 42006: Apr 262007: Apr 152008: Apr 302009: Apr 122010: May 102011: Apr 52012: Apr 292013: May 132014: Apr 172015: Apr 282016: Apr 142017: Apr 82018: Apr 292019: Apr 22020: May 132021: May 12022: Apr 282023: Apr 272024: Apr 25

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201955: Oct 141956: Sep 211957: Oct 121958: Oct 21959: Oct 101960: Oct 201961: Sep 291962: Sep 211963: Oct 141964: Oct 51965: Oct 41966: Oct 21967: Sep 231968: Oct 51969: Oct 91970: Sep 291971: Oct 121972: Oct 91973: Oct 181974: Sep 221975: Sep 141976: Sep 241977: Oct 121978: Oct 81979: Oct 101980: Oct 41981: Oct 31982: Oct 161983: Sep 241984: Oct 21985: Oct 21986: Oct 71987: Oct 31988: Oct 51989: Sep 241990: Oct 201991: Sep 211992: Oct 171993: Oct 51994: Oct 111995: Oct 171996: Oct 41997: Oct 191998: Nov 31999: Oct 192000: Oct 292001: Oct 82002: Oct 132003: Oct 22004: Oct 182005: Oct 282006: Oct 152007: Oct 282008: Oct 192009: Oct 12010: Nov 12011: Oct 222012: Oct 82013: Oct 222014: Oct 122015: Oct 172016: Oct 252017: Oct 262018: Oct 182019: Nov 52020: Oct 162021: Nov 32022: Nov 132023: Oct 23

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
2024Apr 25no dataMar 29no data
2023Apr 27Oct 23Mar 30Oct 31
2022Apr 28Nov 13Apr 20Nov 18
2021May 1Nov 3Apr 22Nov 5
2020May 13Oct 16Apr 22Oct 31
2019Apr 2Nov 5Apr 1Nov 8
2018Apr 29Oct 18Apr 10Oct 25
2017Apr 8Oct 26Mar 23Nov 10
2016Apr 14Oct 25Apr 10Nov 12
2015Apr 28Oct 17Apr 24Oct 18
2014Apr 17Oct 12Apr 16Nov 1
2013May 13Oct 22Apr 26Nov 12
2012Apr 29Oct 8Mar 27Nov 4
2011Apr 5Oct 22Apr 5Oct 30
2010May 10Nov 1Apr 10Nov 1
2009Apr 12Oct 1Apr 12Oct 18
2008Apr 30Oct 19Apr 15Oct 29
2007Apr 15Oct 28Apr 10Nov 2
2006Apr 26Oct 15Apr 26Oct 26
2005May 4Oct 28May 4Oct 29
2004May 4Oct 18May 4Nov 9
2003Apr 27Oct 2Apr 10Nov 8
2002Apr 23Oct 13Apr 6Oct 31
2001Apr 29Oct 8Apr 17Oct 28
2000Apr 14Oct 29Apr 9Nov 5
1999Apr 25Oct 19Mar 30Oct 21
1998Apr 28Nov 3Mar 24Nov 4
1997Apr 20Oct 19Apr 18Oct 22
1996May 14Oct 4Apr 10Nov 2
1995Apr 15Oct 17Apr 5Nov 4
1994May 2Oct 11Apr 8Nov 11
1993Apr 27Oct 5Apr 4Oct 10
1992Apr 13Oct 17Apr 6Oct 19
1991Apr 11Sep 21Apr 3Oct 16
1990May 2Oct 20Apr 18Oct 26
1989May 7Sep 24Apr 24Oct 4
1988Apr 25Oct 5Apr 19Oct 6
1987Apr 10Oct 3Apr 9Oct 3
1986May 4Oct 7Apr 23Nov 2
1985Apr 10Oct 2Apr 10Nov 20
1984May 2Oct 2Apr 19Nov 2
1983May 10Sep 24May 9Oct 27
1982Apr 29Oct 16Apr 14Oct 17
1981May 8Oct 3Apr 26Oct 23
1980May 9Oct 4Apr 17Oct 13
1979May 5Oct 10Apr 19Oct 26
1978May 3Oct 8May 1Oct 23
1977May 10Oct 12Apr 29Oct 13
1976May 8Sep 24May 8Oct 17
1975Apr 26Sep 14Apr 26Oct 3
1974May 7Sep 22May 7Sep 23
1973May 18Oct 18Apr 29Oct 19
1972Jun 11Oct 9Apr 26Oct 10
1971May 4Oct 12Apr 27Nov 6
1970May 7Sep 29May 3Oct 17
1969May 1Oct 9Apr 20Oct 15
1968May 7Oct 5May 6Oct 30
1967May 23Sep 23Apr 28Oct 22
1966May 10Oct 2May 10Oct 27
1965Apr 29Oct 4Apr 19Oct 5
1964May 21Oct 5Apr 5Oct 5
1963May 24Oct 14May 23Oct 30
1962Apr 24Sep 21Apr 17Oct 24
1961May 5Sep 29Apr 16Nov 4
1960May 8Oct 20Apr 19Oct 22
1959Apr 23Oct 10Apr 22Oct 10
1958Apr 30Oct 2Apr 9Nov 7
1957May 3Oct 12Apr 15Oct 12
1956May 8Sep 21Apr 23Oct 11
1955May 9Oct 14Apr 8Nov 4

"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.