Last Frost Day

Frost history / Artichoke Lake 1 E, MN

Artichoke Lake 1 E, MN: frost dates by year

Last spring and first fall frost at NOAA station USC00210287, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,098 ft, 45.386, -96.126. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 6Oct 3
EarliestApr 5 (1987)Sep 3 (1974)
LatestMay 28 (1965)Oct 29 (1963)
Trend1.2 days earlier per decade1.7 days later per decade
Years with data7371

At 28°F (hard freeze) the median last spring date is Apr 21 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 251952: Apr 161953: May 131954: May 101955: May 81956: May 71958: May 61959: May 151960: May 111961: May 261962: Apr 281963: May 231964: Apr 221965: May 281966: May 111967: May 201968: May 181969: Apr 291970: May 21971: May 261972: Apr 251973: May 141974: May 151975: May 151976: May 71977: Apr 81978: Apr 211979: May 121980: May 111981: May 101982: May 71983: May 251984: May 81985: Apr 261986: May 21987: Apr 51988: May 131989: May 61990: May 101991: May 51992: Apr 261993: Apr 301994: Apr 291995: May 81996: May 41997: May 151998: Apr 171999: Apr 232000: Apr 212001: Apr 222002: May 242003: Apr 282004: May 142005: May 42006: Apr 252007: Apr 142008: May 32009: May 102010: Apr 172011: May 32012: Apr 162013: May 122014: May 162015: Apr 232016: May 142018: Apr 282019: May 102020: May 122021: May 112022: Apr 272023: May 22024: Apr 242025: Apr 29

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 241952: Oct 41953: Sep 221954: Sep 221955: Sep 251957: Oct 181958: Oct 11959: Sep 161960: Sep 301961: Sep 251962: Sep 201963: Oct 291964: Sep 151965: Sep 251966: Oct 161967: Sep 271968: Oct 41969: Oct 121970: Oct 71971: Sep 181973: Oct 161974: Sep 31975: Oct 11976: Sep 281977: Oct 21978: Oct 131979: Oct 41980: Oct 31981: Oct 21982: Oct 161983: Sep 221984: Sep 251985: Oct 11986: Oct 41987: Oct 21988: Oct 41989: Sep 231990: Sep 231991: Oct 51992: Sep 281993: Oct 21994: Oct 241995: Sep 221996: Oct 31997: Oct 131998: Oct 131999: Oct 12000: Sep 242001: Oct 52002: Oct 72003: Sep 252004: Oct 22005: Oct 222006: Oct 112007: Oct 242009: Oct 82010: Oct 212011: Oct 192012: Sep 232013: Oct 162014: Oct 42015: Oct 162016: Oct 72018: Sep 292019: Oct 112020: Oct 22021: Oct 212022: Sep 282023: Oct 72024: Oct 142025: 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 29Oct 8Apr 19Oct 23
2024Apr 24Oct 14Apr 5Oct 15
2023May 2Oct 7Apr 25Oct 11
2022Apr 27Sep 28Apr 27Oct 15
2021May 11Oct 21Apr 25Oct 23
2020May 12Oct 2May 12Oct 4
2019May 10Oct 11Apr 16Oct 14
2018Apr 28Sep 29Apr 19Oct 4
2016May 14Oct 7Apr 12Nov 18
2015Apr 23Oct 16Apr 23Oct 16
2014May 16Oct 4Apr 18Oct 31
2013May 12Oct 16May 12Oct 21
2012Apr 16Sep 23Apr 11Oct 5
2011May 3Oct 19May 1Oct 19
2010Apr 17Oct 21Apr 8Oct 28
2009May 10Oct 8Apr 10Oct 9
2008May 3no dataApr 28no data
2007Apr 14Oct 24Apr 13Nov 3
2006Apr 25Oct 11Apr 8Oct 11
2005May 4Oct 22May 3Oct 24
2004May 14Oct 2Apr 13Oct 14
2003Apr 28Sep 25Apr 8Sep 30
2002May 24Oct 7May 2Oct 13
2001Apr 22Oct 5Apr 17Oct 6
2000Apr 21Sep 24Apr 15Oct 5
1999Apr 23Oct 1Apr 18Oct 2
1998Apr 17Oct 13Apr 2Oct 13
1997May 15Oct 13Apr 17Oct 21
1996May 4Oct 3Apr 16Oct 30
1995May 8Sep 22Apr 17Oct 21
1994Apr 29Oct 24Apr 10Oct 25
1993Apr 30Oct 2Apr 20Oct 2
1992Apr 26Sep 28Apr 22Sep 28
1991May 5Oct 5Apr 10Oct 15
1990May 10Sep 23Apr 30Oct 12
1989May 6Sep 23May 6Oct 3
1988May 13Oct 4Apr 27Oct 4
1987Apr 5Oct 2Apr 3Oct 7
1986May 2Oct 4May 2Oct 9
1985Apr 26Oct 1Apr 10Oct 10
1984May 8Sep 25May 1Sep 26
1983May 25Sep 22Apr 29Sep 23
1982May 7Oct 16Apr 11Oct 20
1981May 10Oct 2May 10Oct 19
1980May 11Oct 3Apr 14Oct 12
1979May 12Oct 4May 3Oct 6
1978Apr 21Oct 13Apr 21Oct 13
1977Apr 8Oct 2Apr 6Oct 16
1976May 7Sep 28May 7Oct 6
1975May 15Oct 1Apr 12Oct 25
1974May 15Sep 3May 3Sep 22
1973May 14Oct 16Apr 27Oct 16
1972Apr 25no dataApr 8no data
1971May 26Sep 18Apr 14Oct 28
1970May 2Oct 7May 2Oct 10
1969Apr 29Oct 12Apr 11Oct 15
1968May 18Oct 4May 5Oct 4
1967May 20Sep 27May 5Sep 28
1966May 11Oct 16May 1Oct 16
1965May 28Sep 25Apr 17Sep 26
1964Apr 22Sep 15Apr 9Oct 6
1963May 23Oct 29May 22Oct 29
1962Apr 28Sep 20Apr 19Oct 23
1961May 26Sep 25May 2Oct 1
1960May 11Sep 30May 8Oct 19
1959May 15Sep 16May 15Oct 11
1958May 6Oct 1Apr 29Oct 5
1957no dataOct 18no dataOct 24
1956May 7no dataMay 4no data
1955May 8Sep 25May 8Oct 15
1954May 10Sep 22May 8Oct 6
1953May 13Sep 22May 13Oct 6
1952Apr 16Oct 4Apr 10Oct 5
1951Apr 25Sep 24Apr 23Sep 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.