Last Frost Day

Frost history / Canby, MN

Canby, MN: frost dates by year

Last spring and first fall frost at NOAA station USC00211263, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,210 ft, 44.718, -96.270. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 4Oct 2
EarliestApr 6 (1987)Sep 3 (1974)
LatestMay 30 (2015)Oct 28 (2010)
Trend1.2 days earlier per decade1.4 days later per decade
Years with data7073

At 28°F (hard freeze) the median last spring date is Apr 24 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 231953: May 161954: May 91955: May 81956: Apr 301957: May 161958: May 231959: May 151960: May 111961: May 41962: Apr 281963: May 221964: May 131965: May 281966: May 111967: May 201968: May 181970: May 61971: May 261972: Apr 251973: May 41974: May 61976: May 71977: May 21979: May 211980: May 161981: May 191982: May 81983: May 151984: May 11985: Apr 261986: May 21987: Apr 61988: Apr 271989: May 71990: May 101991: May 21992: May 51993: Apr 251994: May 11997: May 151998: Apr 291999: Apr 242000: Apr 212001: Apr 232002: May 202003: May 22004: May 142005: May 32006: Apr 262007: Apr 182008: May 42009: Apr 282010: May 92011: May 32012: Apr 202013: May 32014: May 162015: May 302016: May 152017: May 22018: May 22019: May 82020: May 122021: May 112022: Apr 282023: Apr 262024: Apr 212025: Apr 30

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 221952: Sep 231953: Oct 41954: Sep 221955: Oct 81956: Sep 301957: Sep 201958: Oct 11959: Oct 91960: Oct 31961: Sep 251962: Sep 201963: Oct 281964: Sep 151965: Sep 261966: Oct 11967: Sep 271968: Oct 41969: Oct 131970: Oct 81971: Oct 281972: Sep 291973: Sep 201974: Sep 31975: Oct 11978: Oct 131979: Oct 61980: Sep 231981: Oct 21982: Oct 161983: Sep 231984: Sep 251985: Sep 261986: Oct 41987: Oct 21988: Oct 41989: Sep 231990: Oct 91991: Sep 201992: Sep 281993: Oct 21994: Oct 251995: Sep 221996: Oct 31997: Oct 141998: Oct 11999: Oct 22000: Sep 242001: Sep 242002: Sep 242003: Sep 302004: Oct 22005: Oct 82006: Oct 112007: Oct 272008: Oct 162009: Oct 92010: Oct 282011: Sep 152012: Sep 132013: Oct 42014: Oct 102015: Sep 292016: Oct 82017: Oct 102018: Sep 292019: Oct 112020: Oct 42021: Oct 212022: Sep 282023: Oct 112024: Oct 152025: Oct 22

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 22Apr 19Nov 8
2024Apr 21Oct 15Apr 6Oct 15
2023Apr 26Oct 11Apr 25Oct 28
2022Apr 28Sep 28Apr 27Oct 17
2021May 11Oct 21Apr 23Oct 23
2020May 12Oct 4Apr 22Oct 18
2019May 8Oct 11Apr 15Oct 14
2018May 2Sep 29Apr 21Oct 12
2017May 2Oct 10Apr 28Oct 27
2016May 15Oct 8Apr 12Nov 19
2015May 30Sep 29Apr 24Oct 13
2014May 16Oct 10Apr 18Oct 31
2013May 3Oct 4May 2Oct 21
2012Apr 20Sep 13Apr 12Oct 7
2011May 3Sep 15Apr 17Oct 19
2010May 9Oct 28Apr 8Oct 28
2009Apr 28Oct 9Apr 28Oct 9
2008May 4Oct 16Apr 29Oct 28
2007Apr 18Oct 27Apr 13Oct 28
2006Apr 26Oct 11Apr 8Oct 12
2005May 3Oct 8May 3Oct 24
2004May 14Oct 2Apr 24Oct 14
2003May 2Sep 30Apr 12Oct 1
2002May 20Sep 24May 2Oct 9
2001Apr 23Sep 24Apr 18Oct 6
2000Apr 21Sep 24Apr 17Sep 24
1999Apr 24Oct 2Apr 18Oct 2
1998Apr 29Oct 1Apr 17Oct 13
1997May 15Oct 14May 13Oct 21
1996no dataOct 3no dataOct 3
1995no dataSep 22no dataOct 22
1994May 1Oct 25May 1Oct 26
1993Apr 25Oct 2Apr 9Oct 2
1992May 5Sep 28Apr 27Oct 15
1991May 2Sep 20Apr 17Oct 15
1990May 10Oct 9May 1Oct 9
1989May 7Sep 23May 6Sep 23
1988Apr 27Oct 4Apr 19Oct 4
1987Apr 6Oct 2Apr 6Oct 3
1986May 2Oct 4May 2Oct 9
1985Apr 26Sep 26Apr 9Oct 10
1984May 1Sep 25May 1Sep 26
1983May 15Sep 23Apr 29Sep 23
1982May 8Oct 16Apr 27Oct 20
1981May 19Oct 2May 11Oct 2
1980May 16Sep 23Apr 16Oct 3
1979May 21Oct 6May 12Oct 12
1978no dataOct 13no dataOct 16
1977May 2no dataApr 6no data
1976May 7no dataMay 7no data
1975no dataOct 1no dataOct 25
1974May 6Sep 3May 6Sep 22
1973May 4Sep 20Apr 28Oct 29
1972Apr 25Sep 29Apr 8Oct 9
1971May 26Oct 28May 12Oct 29
1970May 6Oct 8May 2Oct 10
1969no dataOct 13no dataOct 22
1968May 18Oct 4Apr 24Oct 4
1967May 20Sep 27May 5Oct 11
1966May 11Oct 1May 10Oct 16
1965May 28Sep 26Apr 28Sep 26
1964May 13Sep 15Apr 9Oct 9
1963May 22Oct 28May 22Oct 29
1962Apr 28Sep 20Apr 19Sep 20
1961May 4Sep 25May 3Sep 28
1960May 11Oct 3May 11Oct 19
1959May 15Oct 9May 15Oct 12
1958May 23Oct 1Apr 29Oct 5
1957May 16Sep 20Apr 14Oct 18
1956Apr 30Sep 30Apr 29Oct 9
1955May 8Oct 8Apr 22Oct 15
1954May 9Sep 22May 6Oct 7
1953May 16Oct 4May 13Oct 26
1952Apr 23Sep 23Apr 15Oct 4
1951Apr 25Sep 22Apr 22Sep 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.