Last Frost Day

Frost history / Grand Meadow, MN

Grand Meadow, MN: frost dates by year

Last spring and first fall frost at NOAA station USC00213290, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,350 ft, 43.705, -92.564. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 5Oct 4
EarliestApr 8 (1977)Sep 13 (2014)
LatestMay 29 (1965)Oct 30 (1973)
Trendlittle change (less than half a day per decade)little change (less than half a day per decade)
Years with data7469

At 28°F (hard freeze) the median last spring date is Apr 22 and the median first fall date is Oct 12.

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: Apr 261952: Apr 241953: May 131954: May 201955: May 81956: May 161957: May 51958: May 61959: Apr 211960: May 121961: May 21962: Apr 231963: May 221964: Apr 151965: May 291966: May 101967: May 201968: May 101969: May 121970: May 61971: May 131972: Apr 261973: May 31974: May 71975: Apr 231976: May 71977: Apr 81978: May 21979: May 121980: May 71981: May 111983: May 151984: May 11985: Apr 151986: May 31987: Apr 301988: Apr 281989: May 71990: May 21991: Apr 241992: May 61993: Apr 271994: May 81995: Apr 291996: May 141997: May 211998: Apr 291999: May 102000: Apr 292001: Apr 192002: May 212003: Apr 232004: May 152005: May 52006: May 62007: May 182008: May 12009: Apr 212010: May 102011: May 52012: Apr 212013: May 132014: May 12015: Apr 272016: May 162017: Apr 292018: Apr 292019: May 32020: May 132021: May 122022: May 242023: May 42024: Apr 252025: Apr 30

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 251952: Oct 31953: Oct 71954: Sep 221955: Oct 151956: Sep 201957: Sep 271958: Oct 11959: Oct 121960: Oct 191961: Sep 281962: Oct 231963: Oct 291964: Oct 91965: Sep 261966: Oct 11967: Sep 281968: Oct 41969: Oct 91970: Oct 101971: Oct 281972: Sep 301973: Oct 301974: Sep 221975: Sep 201976: Oct 61977: Oct 61978: Oct 131979: Oct 71980: Oct 51981: Sep 281985: Sep 271986: Oct 61987: Oct 31988: Oct 41989: Sep 231990: Sep 301992: Sep 291994: Oct 101995: Sep 221997: Oct 141998: Oct 81999: Sep 212000: Sep 262001: Sep 252002: Sep 242003: Sep 302004: Sep 302005: Oct 82006: Oct 122007: Sep 152008: Oct 162009: Oct 52010: Oct 182011: Sep 152012: Sep 232013: Oct 182014: Sep 132015: Oct 142016: Oct 82017: Oct 172018: Sep 292019: Oct 122020: Oct 32021: Oct 172022: Sep 282023: Oct 112024: Oct 82025: 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
2025Apr 30Oct 8Apr 16Oct 24
2024Apr 25Oct 8Apr 7Oct 16
2023May 4Oct 11May 4Oct 11
2022May 24Sep 28Apr 27Sep 29
2021May 12Oct 17May 12Oct 22
2020May 13Oct 3May 10Oct 3
2019May 3Oct 12Apr 28Oct 12
2018Apr 29Sep 29Apr 21Oct 12
2017Apr 29Oct 17Apr 28Oct 28
2016May 16Oct 8May 16Oct 13
2015Apr 27Oct 14Apr 24Oct 14
2014May 1Sep 13Apr 19Oct 10
2013May 13Oct 18May 4Oct 20
2012Apr 21Sep 23Apr 20Sep 23
2011May 5Sep 15May 5Oct 1
2010May 10Oct 18May 9Oct 22
2009Apr 21Oct 5Apr 15Oct 10
2008May 1Oct 16Apr 30Oct 18
2007May 18Sep 15May 17Oct 28
2006May 6Oct 12Apr 9Oct 12
2005May 5Oct 8May 5Oct 8
2004May 15Sep 30May 4Oct 5
2003Apr 23Sep 30Apr 23Oct 2
2002May 21Sep 24May 4Sep 25
2001Apr 19Sep 25Apr 19Oct 6
2000Apr 29Sep 26Apr 13Oct 6
1999May 10Sep 21Mar 27Oct 4
1998Apr 29Oct 8Mar 25Oct 14
1997May 21Oct 14May 14Oct 21
1996May 14no dataApr 27no data
1995Apr 29Sep 22Apr 12Oct 17
1994May 8Oct 10Apr 22Oct 27
1993Apr 27no dataApr 22no data
1992May 6Sep 29May 6Sep 29
1991Apr 24no dataApr 10no data
1990May 2Sep 30May 2Oct 10
1989May 7Sep 23May 7Oct 3
1988Apr 28Oct 4Apr 21Oct 5
1987Apr 30Oct 3Apr 3Oct 3
1986May 3Oct 6Apr 22Nov 1
1985Apr 15Sep 27Apr 9Oct 16
1984May 1no dataMar 31no data
1983May 15no dataApr 20no data
1981May 11Sep 28May 10Oct 2
1980May 7Oct 5Apr 25Oct 12
1979May 12Oct 7Apr 13Oct 24
1978May 2Oct 13Apr 21Oct 23
1977Apr 8Oct 6Apr 8Oct 16
1976May 7Oct 6Apr 11Oct 6
1975Apr 23Sep 20Apr 13Sep 24
1974May 7Sep 22May 7Sep 22
1973May 3Oct 30Apr 17Nov 4
1972Apr 26Sep 30Apr 9Sep 30
1971May 13Oct 28Apr 24Oct 31
1970May 6Oct 10Apr 11Oct 10
1969May 12Oct 9Apr 29Oct 14
1968May 10Oct 4Apr 25Oct 4
1967May 20Sep 28May 4Sep 29
1966May 10Oct 1May 10Oct 16
1965May 29Sep 26Apr 3Oct 24
1964Apr 15Oct 9Apr 9Oct 9
1963May 22Oct 29Apr 10Oct 29
1962Apr 23Oct 23Apr 17Oct 24
1961May 2Sep 28May 1Oct 20
1960May 12Oct 19Apr 18Oct 19
1959Apr 21Oct 12Apr 21Oct 17
1958May 6Oct 1Apr 30Oct 1
1957May 5Sep 27Apr 14Oct 10
1956May 16Sep 20Apr 30Oct 9
1955May 8Oct 15Apr 7Oct 15
1954May 20Sep 22May 7Oct 18
1953May 13Oct 7May 13Oct 27
1952Apr 24Oct 3Apr 15Oct 5
1951Apr 26Sep 25Apr 23Sep 28

"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.