Last Frost Day

Frost history / Mansfield Lahm Muni Ap, OH

Mansfield Lahm Muni Ap, OH: frost dates by year

Last spring and first fall frost at NOAA station USW00014891, 1951 to 2024, measured from daily minimum temperatures.

Elevation 1,295 ft, 40.820, -82.518. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 27Oct 19
EarliestApr 7 (2017)Oct 2 (1974)
LatestMay 23 (1963)Nov 20 (1985)
Trendlittle change (less than half a day per decade)0.7 days later per decade
Years with data7070

At 28°F (hard freeze) the median last spring date is Apr 14 and the median first fall date is Oct 31.

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 3019601970198019902000201020201951: Apr 231952: Apr 161953: Apr 211954: May 101955: Apr 81960: Apr 191961: May 41962: Apr 191963: May 231964: Apr 91965: Apr 191966: May 111967: Apr 281968: May 61969: Apr 201970: May 71971: May 41972: Apr 261973: Apr 141974: May 71975: Apr 261976: May 41977: May 101978: May 31979: May 51980: Apr 171981: Apr 261982: Apr 281983: May 91984: Apr 201985: Apr 171986: May 31987: Apr 91988: Apr 251989: May 71990: Apr 191991: Apr 121992: Apr 281993: Apr 271994: May 21995: Apr 151996: May 141997: May 21998: Apr 281999: Apr 252000: Apr 272001: Apr 192002: May 222003: Apr 272004: May 42005: May 42006: Apr 262007: Apr 182008: Apr 302009: Apr 232010: Apr 282011: Apr 132012: Apr 292013: May 132014: Apr 162015: Apr 282016: May 162017: Apr 72018: Apr 292019: Apr 152020: May 92021: Apr 222022: Apr 282023: Apr 272024: Apr 25

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Oct 91952: Oct 71953: Nov 41954: Oct 281955: Oct 221960: Oct 201961: Oct 151962: Oct 241963: Oct 301964: Oct 71965: Oct 41966: Oct 261967: Oct 201968: Oct 51969: Oct 221970: Oct 171971: Nov 41972: Oct 181973: Nov 41974: Oct 21975: Oct 21976: Oct 171977: Oct 141978: Oct 81979: Oct 131980: Oct 61981: Oct 231982: Oct 171983: Oct 301984: Nov 21985: Nov 201986: Oct 191987: Oct 41988: Oct 61989: Oct 41990: Oct 201991: Oct 161992: Oct 171993: Oct 31994: Nov 111995: Oct 171996: Oct 111997: Oct 201998: Oct 231999: Oct 212000: Oct 72001: Oct 72002: Oct 142003: Oct 22004: Oct 52005: Oct 232006: Oct 122007: Oct 282008: Oct 192009: Oct 182010: Oct 222011: Oct 282012: Oct 112013: Oct 242014: Nov 22015: Oct 172016: Nov 102017: Oct 262018: Oct 162019: Nov 12020: Oct 312021: Nov 32022: Oct 202023: 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 17Apr 25Nov 29
2023Apr 27Oct 23Mar 30Oct 31
2022Apr 28Oct 20Apr 28Nov 18
2021Apr 22Nov 3Apr 3Nov 3
2020May 9Oct 31Apr 16Nov 2
2019Apr 15Nov 1Apr 1Nov 8
2018Apr 29Oct 16Apr 29Nov 10
2017Apr 7Oct 26Mar 23Nov 9
2016May 16Nov 10Apr 10Nov 20
2015Apr 28Oct 17Apr 24Nov 22
2014Apr 16Nov 2Apr 16Nov 13
2013May 13Oct 24Apr 6Nov 12
2012Apr 29Oct 11Apr 12Nov 6
2011Apr 13Oct 28Apr 3Oct 29
2010Apr 28Oct 22Apr 10Nov 1
2009Apr 23Oct 18Apr 12Nov 4
2008Apr 30Oct 19Apr 15Oct 30
2007Apr 18Oct 28Apr 10Nov 10
2006Apr 26Oct 12Apr 26Oct 15
2005May 4Oct 23May 4Oct 28
2004May 4Oct 5Apr 28Nov 9
2003Apr 27Oct 2Apr 13Oct 23
2002May 22Oct 14Apr 7Oct 14
2001Apr 19Oct 7Apr 18Oct 8
2000Apr 27Oct 7Apr 12Nov 15
1999Apr 25Oct 21Apr 25Oct 21
1998Apr 28Oct 23Apr 11Nov 5
1997May 2Oct 20Apr 20Oct 22
1996May 14Oct 11Apr 27Nov 1
1995Apr 15Oct 17Apr 5Nov 3
1994May 2Nov 11Apr 8Nov 22
1993Apr 27Oct 3Apr 3Nov 1
1992Apr 28Oct 17Apr 13Oct 19
1991Apr 12Oct 16Apr 11Oct 16
1990Apr 19Oct 20Apr 18Oct 29
1989May 7Oct 4Apr 23Nov 4
1988Apr 25Oct 6Apr 20Oct 13
1987Apr 9Oct 4Apr 4Oct 26
1986May 3Oct 19Apr 23Nov 3
1985Apr 17Nov 20Apr 10Nov 20
1984Apr 20Nov 2Apr 11Nov 12
1983May 9Oct 30Apr 19Nov 11
1982Apr 28Oct 17Apr 12Oct 23
1981Apr 26Oct 23Apr 21Oct 24
1980Apr 17Oct 6Apr 17Oct 27
1979May 5Oct 13May 1Oct 26
1978May 3Oct 8May 1Oct 24
1977May 10Oct 14Apr 29Oct 17
1976May 4Oct 17Apr 12Oct 17
1975Apr 26Oct 2Apr 14Oct 31
1974May 7Oct 2Apr 10Oct 21
1973Apr 14Nov 4Apr 14Nov 6
1972Apr 26Oct 18Apr 26Oct 20
1971May 4Nov 4Apr 27Nov 7
1970May 7Oct 17Apr 11Nov 15
1969Apr 20Oct 22Apr 3Oct 23
1968May 6Oct 5Apr 6Nov 9
1967Apr 28Oct 20Apr 25Oct 29
1966May 11Oct 26May 10Oct 30
1965Apr 19Oct 4Apr 19Oct 5
1964Apr 9Oct 7Apr 9Oct 10
1963May 23Oct 30May 1Oct 30
1962Apr 19Oct 24Apr 17Oct 25
1961May 4Oct 15Apr 11Nov 4
1960Apr 19Oct 20Apr 10Oct 24
1955Apr 8Oct 22Apr 8Nov 3
1954May 10Oct 28Apr 9Oct 31
1953Apr 21Nov 4Apr 21Nov 5
1952Apr 16Oct 7Apr 11Oct 7
1951Apr 23Oct 9Apr 17Oct 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.