Last Frost Day

Frost history / Gays Mills, WI

Gays Mills, WI: frost dates by year

Last spring and first fall frost at NOAA station USC00473022, 1986 to 2025, measured from daily minimum temperatures.

Elevation 689 ft, 43.314, -90.849. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 8Oct 3
EarliestApr 17 (2007)Sep 15 (2011)
LatestMay 29 (2021)Oct 25 (2017)
Trend0.5 days earlier per decade2.8 days later per decade
Years with data3635

At 28°F (hard freeze) the median last spring date is Apr 26 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 1419902000201020201987: May 51988: May 251989: May 71990: May 111991: May 31992: May 271993: Apr 231994: May 111995: May 61996: May 141997: May 231998: Apr 292000: May 152001: Apr 242002: May 212003: May 32005: May 52006: May 62007: Apr 172008: May 132010: May 102011: May 172012: Apr 292013: May 132014: May 172015: May 12016: May 182017: May 42018: Apr 292019: Apr 292020: May 132021: May 292022: May 232023: May 32024: Apr 252025: May 9

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119902000201020201986: Oct 61988: Oct 31989: Sep 231991: Sep 201992: Sep 291993: Sep 301994: Oct 101995: Sep 221996: Oct 31997: Oct 141998: Oct 131999: Sep 222000: Oct 62001: Sep 252002: Sep 242003: Sep 282004: Oct 22005: Sep 292006: Oct 62007: Oct 232008: Oct 22009: Oct 102010: Oct 32011: Sep 152012: Sep 232013: Oct 132014: Oct 62017: Oct 252019: Oct 122020: Oct 42021: Oct 172022: Sep 282023: Oct 102024: Oct 72025: Oct 9

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
2025May 9Oct 9Apr 16Oct 23
2024Apr 25Oct 7Apr 22Oct 16
2023May 3Oct 10Apr 26Oct 11
2022May 23Sep 28Apr 19Oct 8
2021May 29Oct 17Apr 25Oct 23
2020May 13Oct 4May 12Oct 16
2019Apr 29Oct 12Apr 28Oct 14
2018Apr 29no dataApr 29no data
2017May 4Oct 25Apr 7Oct 29
2016May 18no dataMay 15no data
2015May 1no dataApr 26no data
2014May 17Oct 6Apr 23Oct 10
2013May 13Oct 13May 13Oct 20
2012Apr 29Sep 23Apr 17Sep 23
2011May 17Sep 15May 4Oct 18
2010May 10Oct 3Apr 28Oct 21
2009no dataOct 10no dataOct 10
2008May 13Oct 2Apr 15Oct 21
2007Apr 17Oct 23Apr 16Oct 25
2006May 6Oct 6Apr 26Oct 12
2005May 5Sep 29May 4Oct 25
2004no dataOct 2no dataOct 2
2003May 3Sep 28Apr 22Sep 28
2002May 21Sep 24May 21Oct 12
2001Apr 24Sep 25Apr 19Oct 6
2000May 15Oct 6Apr 22Oct 7
1999no dataSep 22no dataOct 4
1998Apr 29Oct 13Apr 19Oct 22
1997May 23Oct 14May 23Oct 15
1996May 14Oct 3May 14Oct 3
1995May 6Sep 22Apr 26Sep 23
1994May 11Oct 10May 7Oct 27
1993Apr 23Sep 30Apr 23Oct 5
1992May 27Sep 29May 7Oct 17
1991May 3Sep 20Apr 25Sep 27
1990May 11no dataMay 11no data
1989May 7Sep 23May 7Sep 24
1988May 25Oct 3Apr 30Oct 5
1987May 5no dataApr 9no data
1986no dataOct 6no dataOct 10

"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.