Last Frost Day

Frost history / Youngstown Rgnl Ap, OH

Youngstown Rgnl Ap, OH: frost dates by year

Last spring and first fall frost at NOAA station USW00014852, 1951 to 2024, measured from daily minimum temperatures.

Elevation 1,180 ft, 41.254, -80.674. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 5Oct 14
EarliestApr 8 (1955)Aug 29 (1982)
LatestJun 11 (1972)Nov 4 (1973)
Trendlittle change (less than half a day per decade)1.1 days later per decade
Years with data7474

At 28°F (hard freeze) the median last spring date is Apr 20 and the median first fall date is Oct 29.

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: Apr 231952: Apr 151953: Apr 211954: May 51955: Apr 81956: May 251957: May 61958: Apr 301959: May 161960: Apr 291961: May 51962: Apr 211963: May 241964: Apr 161965: Apr 281966: May 111967: May 231968: May 71969: May 271970: May 71971: May 41972: Jun 111973: May 51974: May 81975: Apr 271976: May 121977: May 81978: May 31979: May 171980: May 91981: May 31982: Apr 231983: May 111984: May 161985: May 91986: May 41987: May 11988: May 261989: Apr 241990: May 121991: Apr 251992: May 251993: May 171994: May 141995: Apr 261996: May 141997: May 71998: Apr 281999: Apr 252000: Apr 272001: Apr 292002: May 222003: Apr 272004: May 42005: May 52006: May 232007: Apr 212008: Apr 162009: May 192010: May 102011: Apr 302012: Apr 292013: May 252014: Apr 272015: May 232016: May 162017: May 92018: Apr 292019: Apr 292020: May 132021: May 62022: Apr 292023: May 182024: Apr 25

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Oct 131952: Oct 31953: Oct 81954: Oct 71955: Oct 221956: Oct 101957: Sep 271958: Oct 21959: Sep 171960: Oct 241961: Oct 231962: Oct 241963: Oct 131964: Oct 61965: Oct 51966: Oct 241967: Oct 191968: Oct 301969: Oct 181970: Oct 171971: Nov 41972: Oct 91973: Nov 41974: Oct 31975: Oct 31976: Oct 181977: Oct 141978: Oct 171979: Oct 261980: Oct 51981: Oct 91982: Aug 291983: Oct 291984: Nov 21985: Oct 161986: Sep 171987: Oct 121988: Oct 61989: Oct 91990: Oct 191991: Sep 281992: Oct 61993: Oct 61994: Oct 41995: Sep 231996: Oct 291997: Oct 181998: Oct 301999: Sep 222000: Sep 292001: Oct 82002: Oct 82003: Oct 52004: Oct 122005: Oct 202006: Oct 132007: Oct 282008: Oct 192009: Oct 142010: Oct 222011: Oct 232012: Oct 82013: Oct 242014: Oct 122015: Oct 182016: Oct 142017: Oct 312018: Oct 212019: Nov 12020: Oct 162021: Nov 32022: Oct 162023: Oct 232024: 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
2024Apr 25Oct 17Mar 30Oct 27
2023May 18Oct 23Apr 10Nov 11
2022Apr 29Oct 16Apr 29Nov 18
2021May 6Nov 3Apr 3Nov 4
2020May 13Oct 16May 9Nov 14
2019Apr 29Nov 1Apr 2Nov 6
2018Apr 29Oct 21Apr 21Nov 10
2017May 9Oct 31Mar 23Nov 1
2016May 16Oct 14Apr 13Nov 12
2015May 23Oct 18Apr 24Nov 9
2014Apr 27Oct 12Apr 24Nov 3
2013May 25Oct 24Apr 21Nov 3
2012Apr 29Oct 8Apr 29Oct 9
2011Apr 30Oct 23Apr 2Oct 28
2010May 10Oct 22Apr 10Nov 1
2009May 19Oct 14Apr 13Oct 18
2008Apr 16Oct 19Apr 15Oct 19
2007Apr 21Oct 28Apr 14Oct 29
2006May 23Oct 13May 7Nov 2
2005May 5Oct 20Mar 22Nov 17
2004May 4Oct 12Apr 6Nov 9
2003Apr 27Oct 5Apr 24Nov 8
2002May 22Oct 8May 4Oct 31
2001Apr 29Oct 8Apr 19Nov 13
2000Apr 27Sep 29Apr 13Oct 29
1999Apr 25Sep 22Apr 25Oct 7
1998Apr 28Oct 30Apr 28Nov 3
1997May 7Oct 18Apr 20Oct 23
1996May 14Oct 29Apr 18Nov 2
1995Apr 26Sep 23Apr 15Nov 4
1994May 14Oct 4May 3Nov 11
1993May 17Oct 6Apr 27Oct 10
1992May 25Oct 6Apr 13Oct 19
1991Apr 25Sep 28Apr 12Oct 17
1990May 12Oct 19Apr 19Oct 27
1989Apr 24Oct 9Apr 24Nov 3
1988May 26Oct 6Apr 22Oct 27
1987May 1Oct 12Apr 3Oct 14
1986May 4Sep 17May 3Oct 10
1985May 9Oct 16Apr 10Oct 29
1984May 16Nov 2Apr 8Nov 2
1983May 11Oct 29May 10Oct 29
1982Apr 23Aug 29Apr 12Oct 24
1981May 3Oct 9Apr 21Oct 17
1980May 9Oct 5Apr 26Oct 23
1979May 17Oct 26Apr 19Oct 27
1978May 3Oct 17May 1Oct 24
1977May 8Oct 14Apr 29Nov 12
1976May 12Oct 18Apr 12Oct 18
1975Apr 27Oct 3Apr 22Oct 30
1974May 8Oct 3Apr 25Oct 20
1973May 5Nov 4Apr 14Nov 6
1972Jun 11Oct 9Apr 28Oct 10
1971May 4Nov 4Apr 27Nov 7
1970May 7Oct 17May 7Nov 16
1969May 27Oct 18Apr 20Oct 23
1968May 7Oct 30May 7Oct 30
1967May 23Oct 19Apr 29Oct 28
1966May 11Oct 24May 11Oct 26
1965Apr 28Oct 5Apr 28Oct 6
1964Apr 16Oct 6Apr 11Oct 7
1963May 24Oct 13May 24Nov 24
1962Apr 21Oct 24Apr 21Oct 24
1961May 5Oct 23Apr 8Nov 9
1960Apr 29Oct 24Apr 19Oct 25
1959May 16Sep 17Apr 22Oct 28
1958Apr 30Oct 2Apr 30Nov 22
1957May 6Sep 27Apr 15Oct 28
1956May 25Oct 10Apr 25Nov 10
1955Apr 8Oct 22Apr 8Nov 4
1954May 5Oct 7Apr 9Oct 31
1953Apr 21Oct 8Apr 21Oct 8
1952Apr 15Oct 3Apr 11Oct 20
1951Apr 23Oct 13Apr 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.