Last Frost Day

Frost history / Georgetown 1 E, MN

Georgetown 1 E, MN: frost dates by year

Last spring and first fall frost at NOAA station USC00213104, 1963 to 2025, measured from daily minimum temperatures.

Elevation 885 ft, 47.079, -96.776. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 12Sep 27
EarliestApr 17 (2007)Aug 13 (1964)
LatestJun 2 (1982)Oct 25 (1994)
Trend1.0 days earlier per decade3.2 days later per decade
Years with data5249

At 28°F (hard freeze) the median last spring date is May 3 and the median first fall date is Oct 6.

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 141970198019902000201020201963: May 231964: May 311968: May 181969: May 201970: May 51971: May 201972: May 71973: May 171974: May 61975: May 31976: May 71977: May 71978: Apr 211979: May 151980: May 151981: May 101982: Jun 21983: May 251984: May 261985: May 11987: Apr 241988: May 131990: May 181991: May 31992: May 241993: May 221994: May 71995: Apr 261996: May 121997: May 211998: Apr 181999: Apr 232000: May 142001: Apr 232002: May 242003: May 22004: May 142005: May 152006: Apr 252007: Apr 172008: May 272013: May 122014: May 172015: May 302016: May 172017: May 42019: May 112021: May 282022: May 212023: May 22024: Apr 242025: Apr 29

First fall frost (32°F)

Jul 29Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111970198019902000201020201964: Aug 131966: Sep 251967: Sep 241968: Oct 31969: Oct 81970: Sep 131971: Sep 181972: Sep 271973: Sep 161974: Sep 211975: Oct 11976: Sep 231977: Oct 21981: Sep 171983: Sep 221984: Sep 111985: Sep 241986: Sep 131987: Oct 21989: Sep 231991: Sep 261992: Sep 221993: Sep 151994: Oct 251995: Sep 201996: Sep 141997: Oct 131998: Oct 11999: Sep 292000: Sep 242001: Sep 242002: Sep 272003: Sep 252005: Oct 202007: Oct 222012: Sep 182013: Oct 132014: Oct 42015: Sep 292016: Oct 72017: Oct 62018: Sep 292019: Oct 112020: Sep 92021: Oct 212022: Sep 282023: Oct 82024: Oct 152025: 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 29Oct 22
2024Apr 24Oct 15Apr 24Oct 15
2023May 2Oct 8Apr 25Oct 9
2022May 21Sep 28Apr 27Oct 7
2021May 28Oct 21May 11Oct 21
2020no dataSep 9no dataOct 4
2019May 11Oct 11May 10Oct 24
2018no dataSep 29no dataSep 29
2017May 4Oct 6May 4Oct 10
2016May 17Oct 7May 14Oct 9
2015May 30Sep 29May 9Oct 7
2014May 17Oct 4May 16Oct 8
2013May 12Oct 13May 12Oct 24
2012no dataSep 18no dataSep 23
2008May 27no dataMay 11no data
2007Apr 17Oct 22Apr 12Oct 28
2006Apr 25no dataApr 25no data
2005May 15Oct 20May 3Oct 22
2004May 14no dataMay 14no data
2003May 2Sep 25Apr 28Sep 30
2002May 24Sep 27May 24Oct 9
2001Apr 23Sep 24Apr 22Oct 5
2000May 14Sep 24Apr 20Oct 4
1999Apr 23Sep 29Apr 23Oct 1
1998Apr 18Oct 1Apr 16Oct 2
1997May 21Oct 13Apr 17Oct 21
1996May 12Sep 14May 11Oct 3
1995Apr 26Sep 20Apr 22Sep 20
1994May 7Oct 25Apr 27Oct 25
1993May 22Sep 15May 2Sep 27
1992May 24Sep 22May 3Sep 28
1991May 3Sep 26Apr 24Sep 26
1990May 18no dataMay 18no data
1989no dataSep 23no dataSep 23
1988May 13no dataMay 13no data
1987Apr 24Oct 2Apr 21Oct 10
1986no dataSep 13no dataOct 9
1985May 1Sep 24Apr 16Sep 25
1984May 26Sep 11May 11Sep 26
1983May 25Sep 22May 16Sep 23
1982Jun 2no dataMay 7no data
1981May 10Sep 17May 10Oct 19
1980May 15no dataMay 15no data
1979May 15no dataMay 3no data
1978Apr 21no dataApr 21no data
1977May 7Oct 2Apr 25Oct 15
1976May 7Sep 23May 7Sep 23
1975May 3Oct 1Apr 11Oct 29
1974May 6Sep 21Apr 9Sep 22
1973May 17Sep 16May 3Sep 20
1972May 7Sep 27Apr 8Oct 6
1971May 20Sep 18May 8Oct 29
1970May 5Sep 13May 5Oct 10
1969May 20Oct 8May 20Oct 19
1968May 18Oct 3May 5Oct 4
1967no dataSep 24no dataSep 27
1966no dataSep 25no dataOct 5
1964May 31Aug 13Apr 19Sep 11
1963May 23no dataMay 22no data

"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.