Last Frost Day

Frost history / St Cloud Rgnl Ap, MN

St Cloud Rgnl Ap, MN: frost dates by year

Last spring and first fall frost at NOAA station USW00014926, 1951 to 2024, measured from daily minimum temperatures.

Elevation 1,018 ft, 45.543, -94.051. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 10Sep 25
EarliestApr 15 (2007)Sep 1 (1974)
LatestJun 1 (1993)Oct 28 (1963)
Trend0.7 days earlier per decade0.8 days later per decade
Years with data7474

At 28°F (hard freeze) the median last spring date is Apr 28 and the median first fall date is Oct 5.

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 161954: May 81955: May 81956: May 161957: May 161958: May 61959: May 161960: May 111961: May 191962: Apr 231963: May 231964: Apr 201965: Apr 281966: May 101967: May 201968: May 51969: May 121970: May 21971: May 191972: May 31973: May 171974: May 251975: May 21976: May 181977: May 21978: May 31979: May 211980: May 151981: May 191982: May 81983: May 261984: May 291985: Apr 261986: May 211987: May 41988: May 171989: May 271990: May 111991: May 31992: May 261993: Jun 11994: May 101995: May 241996: May 131997: May 211998: Apr 291999: Apr 252000: May 192001: Apr 252002: May 202003: May 22004: May 152005: May 42006: May 222007: Apr 152008: Apr 292009: May 112010: May 92011: May 42012: Apr 232013: May 132014: Apr 252015: May 202016: May 152017: May 12018: Apr 282019: May 102020: May 122021: May 122022: Apr 282023: Apr 262024: Apr 21

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 241952: Oct 41953: Sep 221954: Sep 221955: Sep 111956: Sep 241957: Sep 201958: Oct 11959: Sep 171960: Sep 301961: Sep 251962: Sep 201963: Oct 281964: Oct 61965: Sep 251966: Sep 261967: Sep 241968: Oct 31969: Oct 121970: Oct 91971: Sep 191972: Sep 221973: Sep 181974: Sep 11975: Sep 131976: Sep 221977: Oct 21978: Oct 71979: Oct 61980: Sep 231981: Sep 181982: Sep 211983: Sep 221984: Sep 251985: Sep 211986: Oct 51987: Oct 21988: Oct 31989: Sep 131990: Sep 291991: Sep 191992: Sep 191993: Sep 181994: Oct 91995: Sep 201996: Sep 131997: Sep 211998: Sep 221999: Sep 212000: Sep 212001: Sep 242002: Sep 242003: Sep 252004: Sep 292005: Oct 72006: Sep 202007: Sep 122008: Oct 42009: Oct 82010: Oct 32011: Sep 152012: Sep 222013: Oct 132014: Oct 52015: Sep 302016: Oct 72017: Oct 92018: Sep 282019: Oct 112020: Sep 102021: Oct 172022: Sep 282023: Oct 102024: Oct 4

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