Last Frost Day

Frost history / Minneapolis/St Paul Ap, MN

Minneapolis/St Paul Ap, MN: frost dates by year

Last spring and first fall frost at NOAA station USW00014922, 1951 to 2024, measured from daily minimum temperatures.

Elevation 872 ft, 44.883, -93.229. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 27Oct 9
EarliestApr 7 (1955)Sep 3 (1974)
LatestMay 23 (1963)Nov 18 (2016)
Trend1.4 days earlier per decade1.9 days later per decade
Years with data7474

At 28°F (hard freeze) the median last spring date is Apr 14 and the median first fall date is Oct 22.

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 151953: May 131954: May 81955: Apr 71956: Apr 301957: Apr 141958: Apr 291959: Apr 211960: May 121961: May 31962: Apr 231963: May 231964: Apr 151965: Apr 281966: May 101967: May 201968: May 51969: May 121970: Apr 221971: May 31972: Apr 261973: May 171974: May 61975: Apr 211976: May 61977: Apr 81978: May 21979: May 121980: May 151981: May 101982: Apr 221983: Apr 241984: Apr 301985: Apr 91986: Apr 221987: Apr 231988: Apr 281989: May 71990: May 21991: Apr 241992: Apr 271993: Apr 211994: May 11995: Apr 271996: May 131997: May 131998: Apr 281999: Apr 242000: Apr 212001: Apr 182002: May 22003: Apr 172004: Apr 132005: May 32006: Apr 82007: Apr 142008: Apr 292009: Apr 102010: May 92011: May 32012: Apr 112013: May 32014: Apr 182015: Apr 232016: Apr 122017: Apr 272018: Apr 202019: Apr 152020: Apr 212021: Apr 212022: Apr 272023: Apr 252024: Apr 20

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Sep 281952: Oct 41953: Oct 281954: Oct 181955: Oct 211956: Oct 91957: Oct 111958: Nov 61959: Oct 81960: Oct 31961: Sep 251962: Sep 201963: Oct 291964: Oct 61965: Sep 261966: Oct 11967: Sep 281968: Oct 41969: Oct 171970: Oct 101971: Oct 101972: Sep 301973: Oct 301974: Sep 31975: Oct 21976: Oct 61977: Oct 31978: Oct 81979: Oct 71980: Sep 261981: Oct 21982: Oct 201983: Sep 231984: Sep 261985: Oct 21986: Oct 131987: Oct 31988: Oct 51989: Oct 21990: Oct 101991: Sep 201992: Oct 151993: Oct 21994: Oct 251995: Sep 221996: Oct 21997: Oct 201998: Oct 81999: Oct 172000: Sep 242001: Oct 62002: Oct 72003: Oct 12004: Oct 172005: Oct 242006: Oct 112007: Oct 282008: Oct 212009: Oct 92010: Oct 282011: Oct 212012: Oct 72013: Oct 212014: Oct 112015: Oct 172016: Nov 182017: Oct 272018: Oct 112019: Oct 242020: Oct 42021: Oct 232022: Oct 142023: Oct 272024: Nov 1

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 20Nov 1Mar 29Nov 20
2023Apr 25Oct 27Apr 7Oct 29
2022Apr 27Oct 14Apr 19Oct 18
2021Apr 21Oct 23Apr 1Nov 18
2020Apr 21Oct 4Apr 16Oct 19
2019Apr 15Oct 24Apr 14Oct 29
2018Apr 20Oct 11Apr 19Nov 7
2017Apr 27Oct 27Mar 22Oct 31
2016Apr 12Nov 18Apr 12Nov 19
2015Apr 23Oct 17Apr 3Nov 20
2014Apr 18Oct 11Apr 18Oct 31
2013May 3Oct 21Apr 20Oct 22
2012Apr 11Oct 7Apr 11Oct 7
2011May 3Oct 21Mar 30Nov 4
2010May 9Oct 28Mar 26Oct 29
2009Apr 10Oct 9Apr 7Oct 10
2008Apr 29Oct 21Apr 29Oct 27
2007Apr 14Oct 28Apr 9Nov 7
2006Apr 8Oct 11Mar 28Oct 11
2005May 3Oct 24Mar 26Nov 10
2004Apr 13Oct 17Apr 12Nov 11
2003Apr 17Oct 1Apr 8Oct 2
2002May 2Oct 7Apr 6Oct 16
2001Apr 18Oct 6Apr 16Nov 20
2000Apr 21Sep 24Apr 21Nov 8
1999Apr 24Oct 17Mar 26Oct 20
1998Apr 28Oct 8Apr 10Oct 20
1997May 13Oct 20May 1Oct 22
1996May 13Oct 2Apr 23Oct 3
1995Apr 27Sep 22Apr 5Oct 30
1994May 1Oct 25Apr 6Oct 26
1993Apr 21Oct 2Apr 21Oct 2
1992Apr 27Oct 15Apr 12Oct 18
1991Apr 24Sep 20Apr 20Oct 7
1990May 2Oct 10May 2Oct 10
1989May 7Oct 2May 6Oct 3
1988Apr 28Oct 5Apr 19Oct 12
1987Apr 23Oct 3Apr 4Oct 10
1986Apr 22Oct 13Apr 22Nov 1
1985Apr 9Oct 2Apr 9Nov 3
1984Apr 30Sep 26Apr 6Sep 26
1983Apr 24Sep 23Apr 19Oct 29
1982Apr 22Oct 20Apr 21Oct 21
1981May 10Oct 2Apr 6Oct 19
1980May 15Sep 26Apr 14Oct 12
1979May 12Oct 7Apr 10Oct 10
1978May 2Oct 8Apr 21Oct 23
1977Apr 8Oct 3Apr 6Oct 16
1976May 6Oct 6Apr 4Oct 6
1975Apr 21Oct 2Apr 12Oct 28
1974May 6Sep 3May 6Sep 22
1973May 17Oct 30Apr 13Nov 3
1972Apr 26Sep 30Apr 10Sep 30
1971May 3Oct 10Apr 14Nov 1
1970Apr 22Oct 10Apr 10Nov 7
1969May 12Oct 17Apr 6Oct 22
1968May 5Oct 4Apr 25Oct 29
1967May 20Sep 28May 5Sep 29
1966May 10Oct 1May 9Oct 16
1965Apr 28Sep 26Apr 28Sep 26
1964Apr 15Oct 6Apr 10Oct 9
1963May 23Oct 29May 23Oct 29
1962Apr 23Sep 20Apr 18Sep 20
1961May 3Sep 25May 2Sep 28
1960May 12Oct 3May 8Oct 18
1959Apr 21Oct 8Apr 13Oct 17
1958Apr 29Nov 6Apr 29Nov 10
1957Apr 14Oct 11Apr 14Oct 25
1956Apr 30Oct 9Apr 28Nov 9
1955Apr 7Oct 21Mar 29Nov 2
1954May 8Oct 18May 3Oct 29
1953May 13Oct 28Apr 19Nov 4
1952Apr 15Oct 4Apr 11Oct 5
1951Apr 23Sep 28Apr 17Oct 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.