Last Frost Day

Frost history / Cumberland, WI

Cumberland, WI: frost dates by year

Last spring and first fall frost at NOAA station USC00471923, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,240 ft, 45.533, -92.022. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 7Oct 3
EarliestApr 16 (2007)Sep 12 (1955)
LatestMay 29 (1965)Oct 23 (2025)
Trend1.2 days earlier per decade1.8 days later per decade
Years with data7074

At 28°F (hard freeze) the median last spring date is Apr 24 and the median first fall date is Oct 17.

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 1419601970198019902000201020201951: May 61952: Apr 241953: May 141954: May 81955: May 81956: May 161957: May 161958: May 91959: May 151960: May 111961: May 261962: Apr 201963: May 131964: Apr 201965: May 291966: May 101967: May 121968: May 181969: Apr 291970: May 61971: May 121972: Apr 261973: May 131974: May 131975: Apr 211976: May 181977: Apr 281978: May 21979: May 251980: May 151981: May 191982: Apr 271983: May 161984: May 21986: May 31987: May 41988: May 131990: May 111991: May 41992: Apr 271993: Apr 261994: May 61995: Apr 241996: May 131997: May 131998: Apr 291999: Apr 242001: Apr 242002: May 202003: Apr 262005: May 112006: Apr 252007: Apr 162008: May 122009: Apr 282010: May 92011: May 42012: Apr 272013: May 122014: May 152015: Apr 272017: Apr 292018: Apr 292019: May 102020: May 132021: May 122022: Apr 292023: May 32024: Apr 252025: Apr 26

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 281952: Oct 31953: Oct 71954: Oct 51955: Sep 121956: Sep 201957: Sep 261958: Oct 11959: Oct 91960: Oct 31961: Sep 281962: Oct 231963: Sep 131964: Sep 151965: Sep 261966: Sep 261967: Sep 281968: Oct 41969: Oct 121970: Oct 101971: Oct 121972: Sep 301973: Sep 201974: Sep 221975: Oct 21976: Sep 231977: Oct 81978: Oct 81979: Oct 71980: Sep 261981: Sep 201982: Oct 161983: Sep 231984: Sep 261985: Sep 251986: Oct 61987: Oct 21988: Oct 31989: Sep 121991: Sep 191992: Sep 291993: Sep 301994: Oct 101995: Sep 221996: Oct 31997: Oct 141998: Oct 221999: Oct 22000: Sep 242001: Oct 52002: Oct 72003: Sep 302004: Oct 22005: Oct 72006: Oct 102007: Sep 152008: Oct 42009: Sep 302010: Oct 32011: Oct 212012: Oct 62013: Oct 202014: Oct 42015: Oct 172016: Oct 82017: Oct 102018: Sep 292019: Oct 122020: Oct 32021: Oct 222022: Oct 82023: Oct 172024: Oct 152025: 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
2025Apr 26Oct 23Apr 17Oct 24
2024Apr 25Oct 15Apr 24Oct 16
2023May 3Oct 17Apr 26Oct 28
2022Apr 29Oct 8Apr 28Oct 18
2021May 12Oct 22Apr 26Nov 2
2020May 13Oct 3May 9Oct 4
2019May 10Oct 12Apr 28Oct 25
2018Apr 29Sep 29Apr 29Oct 12
2017Apr 29Oct 10Apr 28Oct 28
2016no dataOct 8no dataNov 12
2015Apr 27Oct 17Apr 24Nov 14
2014May 15Oct 4Apr 19Oct 11
2013May 12Oct 20Apr 25Oct 23
2012Apr 27Oct 6Apr 18Oct 7
2011May 4Oct 21Apr 23Oct 21
2010May 9Oct 3Apr 10Oct 29
2009Apr 28Sep 30Apr 12Oct 10
2008May 12Oct 4Apr 30Oct 26
2007Apr 16Sep 15Apr 16Oct 28
2006Apr 25Oct 10Apr 10Oct 12
2005May 11Oct 7May 4Nov 10
2004no dataOct 2no dataNov 3
2003Apr 26Sep 30Apr 9Oct 2
2002May 20Oct 7May 3Oct 13
2001Apr 24Oct 5Apr 18Oct 17
2000no dataSep 24no dataNov 8
1999Apr 24Oct 2Mar 30Oct 20
1998Apr 29Oct 22Apr 10Nov 3
1997May 13Oct 14Apr 17Oct 22
1996May 13Oct 3Apr 28Oct 28
1995Apr 24Sep 22Apr 14Oct 30
1994May 6Oct 10Apr 30Oct 31
1993Apr 26Sep 30Apr 13Oct 2
1992Apr 27Sep 29Apr 27Oct 17
1991May 4Sep 19Apr 10Oct 15
1990May 11no dataMay 2no data
1989no dataSep 12no dataSep 23
1988May 13Oct 3Apr 28Oct 5
1987May 4Oct 2Apr 6Oct 3
1986May 3Oct 6Apr 23Oct 6
1985no dataSep 25no dataOct 2
1984May 2Sep 26Apr 30Oct 29
1983May 16Sep 23Apr 20Oct 13
1982Apr 27Oct 16Apr 22Oct 21
1981May 19Sep 20May 10Oct 2
1980May 15Sep 26Apr 24Oct 5
1979May 25Oct 7Apr 28Oct 7
1978May 2Oct 8Apr 22Oct 14
1977Apr 28Oct 8Apr 8Nov 4
1976May 18Sep 23Apr 26Oct 6
1975Apr 21Oct 2Apr 21Oct 29
1974May 13Sep 22Apr 24Oct 1
1973May 13Sep 20Apr 24Oct 17
1972Apr 26Sep 30Apr 25Sep 30
1971May 12Oct 12Apr 24Nov 1
1970May 6Oct 10Apr 22Oct 14
1969Apr 29Oct 12Apr 24Oct 17
1968May 18Oct 4Apr 26Nov 8
1967May 12Sep 28May 12Oct 12
1966May 10Sep 26May 10Oct 16
1965May 29Sep 26Apr 28Sep 26
1964Apr 20Sep 15Apr 18Oct 9
1963May 13Sep 13Apr 21Nov 2
1962Apr 20Oct 23Apr 20Oct 24
1961May 26Sep 28May 2Sep 28
1960May 11Oct 3Apr 18Oct 18
1959May 15Oct 9Apr 21Oct 11
1958May 9Oct 1May 1Oct 1
1957May 16Sep 26May 4Oct 11
1956May 16Sep 20May 16Oct 10
1955May 8Sep 12Apr 7Oct 21
1954May 8Oct 5May 6Oct 18
1953May 14Oct 7May 13Oct 28
1952Apr 24Oct 3Apr 15Oct 5
1951May 6Sep 28Apr 22Oct 24

"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.