Last Frost Day

Frost history / Wright 3 E, MN

Wright 3 E, MN: frost dates by year

Last spring and first fall frost at NOAA station USC00219173, 1961 to 2025, measured from daily minimum temperatures.

Elevation 1,330 ft, 46.680, -92.954. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 27Sep 14
EarliestApr 26 (2024)Aug 13 (1964)
LatestJun 23 (1972)Oct 16 (2021)
Trend2.5 days earlier per decade5.0 days later per decade
Years with data6160

At 28°F (hard freeze) the median last spring date is May 13 and the median first fall date is Sep 25.

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)

Apr 15Apr 30May 15May 30Jun 14Jun 291970198019902000201020201962: Jun 131963: Jun 121964: Jun 41965: May 291966: Jun 91967: May 291968: May 231969: Jun 201970: May 171971: May 271972: Jun 231973: May 291974: May 251975: May 161976: May 241977: May 91978: May 211979: Jun 11980: Jun 191981: May 311982: Jun 161983: Jun 71984: May 301985: Jun 51986: Jun 21987: Jun 91988: Jun 91989: May 271990: Jun 41991: May 191992: Jun 211993: Jun 21994: May 101995: Jun 91996: May 301997: May 211998: May 101999: May 262000: Jun 172001: May 122002: May 202004: May 272005: May 162007: May 202008: May 272009: Jun 72011: May 272012: May 172013: May 252014: May 182015: May 232016: May 192017: May 202018: May 212019: Jun 142020: Jun 12021: May 302022: May 212023: May 42024: Apr 262025: May 25

First fall frost (32°F)

Jul 29Aug 13Aug 28Sep 12Sep 27Oct 12Oct 271970198019902000201020201961: Sep 41962: Sep 51963: Sep 131964: Aug 131965: Aug 281966: Sep 151967: Aug 311968: Sep 101969: Sep 91970: Aug 311971: Sep 161972: Sep 51973: Sep 181974: Sep 11975: Sep 81976: Aug 151977: Aug 241978: Sep 211979: Aug 151980: Sep 171981: Sep 171982: Aug 271983: Sep 141984: Sep 111985: Sep 111986: Aug 281987: Aug 241988: Sep 61989: Sep 131990: Sep 231991: Sep 201992: Sep 191993: Sep 51994: Sep 21995: Sep 81996: Sep 291997: Sep 211998: Sep 221999: Sep 212000: Sep 152001: Sep 242002: Sep 242003: Sep 292004: Oct 22007: Sep 122008: Sep 92009: Sep 302011: Sep 142013: Sep 162014: Sep 132015: Sep 292017: Oct 72018: Sep 292019: Sep 282020: Sep 92021: Oct 162022: Sep 272023: Oct 92024: Oct 42025: Oct 8

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

"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 1991–2020 frost probabilities.