Last Frost Day

Frost history / Floodwood 3 Ne, MN

Floodwood 3 Ne, MN: frost dates by year

Last spring and first fall frost at NOAA station USC00212842, 1986 to 2025, measured from daily minimum temperatures.

Elevation 1,260 ft, 46.973, -92.870. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 28Sep 14
EarliestMay 3 (2023)Aug 5 (2004)
LatestJun 21 (1992)Oct 8 (2025)
Trend4.6 days earlier per decade2.9 days later per decade
Years with data3436

At 28°F (hard freeze) the median last spring date is May 16 and the median first fall date is Sep 29.

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)

Apr 15Apr 30May 15May 30Jun 14Jun 2919902000201020201988: Jun 91989: May 271990: Jun 41991: May 191992: Jun 211993: Jun 41997: May 271998: Jun 81999: Jun 172000: Jun 172001: May 302002: May 212003: Jun 12004: May 282005: May 162006: Jun 102007: May 212008: May 282009: Jun 62010: May 152011: May 272012: May 162013: Jun 32014: May 172015: Jun 12017: May 202018: May 212019: Jun 132020: Jun 132021: May 292022: May 172023: May 32024: May 52025: May 25

First fall frost (32°F)

Jul 29Aug 13Aug 28Sep 12Sep 27Oct 12Oct 2719902000201020201986: Aug 281988: Sep 61989: Sep 131990: Sep 231991: Sep 201992: Sep 191993: Sep 51997: Sep 31998: Sep 81999: Sep 212000: Sep 152001: Sep 142002: Sep 232003: Sep 282004: Aug 52005: Sep 232006: Sep 92007: Sep 122008: Sep 92009: Aug 302010: Sep 52011: Sep 142012: Sep 142013: Sep 162014: Sep 122015: Sep 292016: Sep 142017: Oct 62018: Sep 62019: Sep 282020: Sep 82021: Sep 222022: Sep 272023: Sep 132024: Sep 72025: 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
2025May 25Oct 8May 23Oct 8
2024May 5Sep 7Apr 25Oct 4
2023May 3Sep 13May 3Oct 9
2022May 17Sep 27May 5Sep 28
2021May 29Sep 22May 29Oct 21
2020Jun 13Sep 8May 13Sep 9
2019Jun 13Sep 28May 13Sep 28
2018May 21Sep 6May 20Sep 29
2017May 20Oct 6May 11Oct 10
2016no dataSep 14no dataOct 9
2015Jun 1Sep 29Jun 1Oct 2
2014May 17Sep 12May 17Sep 13
2013Jun 3Sep 16May 12Oct 20
2012May 16Sep 14May 16Sep 18
2011May 27Sep 14May 16Sep 15
2010May 15Sep 5May 9Sep 26
2009Jun 6Aug 30Jun 3Sep 30
2008May 28Sep 9May 27Oct 3
2007May 21Sep 12May 17Sep 12
2006Jun 10Sep 9May 22Sep 21
2005May 16Sep 23May 16Oct 7
2004May 28Aug 5May 24Sep 28
2003Jun 1Sep 28May 25Sep 29
2002May 21Sep 23May 21Oct 3
2001May 30Sep 14Apr 27Sep 24
2000Jun 17Sep 15Jun 5Sep 15
1999Jun 17Sep 21May 9Sep 21
1998Jun 8Sep 8May 11Sep 22
1997May 27Sep 3May 27Oct 10
1993Jun 4Sep 5May 16Oct 2
1992Jun 21Sep 19May 26Sep 23
1991May 19Sep 20May 19Sep 20
1990Jun 4Sep 23May 11Oct 7
1989May 27Sep 13May 7Sep 23
1988Jun 9Sep 6May 17Oct 5
1986no dataAug 28no dataOct 6

"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 1991–2020 frost probabilities.