Last Frost Day

Frost history / Brainerd Crow Wing Co Ap, MN

Brainerd Crow Wing Co Ap, MN: frost dates by year

Last spring and first fall frost at NOAA station USW00094938, 1996 to 2024, measured from daily minimum temperatures.

Elevation 1,221 ft, 46.405, -94.131. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 12Sep 28
EarliestApr 21 (2024)Aug 21 (2004)
LatestJun 5 (2000)Oct 18 (2013)
Trend1.7 days earlier per decade5.5 days later per decade
Years with data2829

At 28°F (hard freeze) the median last spring date is Apr 28 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)

Apr 15Apr 30May 15May 30Jun 142000201020201997: May 211998: Apr 291999: Apr 242000: Jun 52001: Apr 242002: May 202003: May 22004: May 262005: May 42006: May 222007: May 172008: Apr 292009: May 112010: May 92011: May 162012: May 122013: May 132014: Apr 222015: May 202016: May 172017: May 12018: May 202019: May 102020: May 122021: May 292022: Apr 282023: May 32024: Apr 21

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 272000201020201996: Sep 141997: Oct 101998: Sep 221999: Sep 202000: Sep 152001: Sep 242002: Sep 242003: Sep 282004: Aug 212005: Oct 72006: Oct 52007: Sep 122008: Oct 32009: Sep 302010: Oct 22011: Sep 142012: Sep 222013: Oct 182014: Sep 122015: Sep 302016: Oct 92017: Oct 92018: Sep 282019: Oct 172020: Sep 92021: Oct 172022: Sep 272023: Oct 92024: 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
2023May 3Oct 9Apr 26Oct 27
2022Apr 28Sep 27Apr 27Oct 17
2021May 29Oct 17May 11Oct 21
2020May 12Sep 9May 12Oct 2
2019May 10Oct 17May 10Oct 29
2018May 20Sep 28Apr 25Oct 12
2017May 1Oct 9Apr 29Oct 10
2016May 17Oct 9May 15Oct 9
2015May 20Sep 30Apr 27Oct 17
2014Apr 22Sep 12Apr 15Oct 8
2013May 13Oct 18Apr 25Oct 28
2012May 12Sep 22Apr 20Sep 23
2011May 16Sep 14May 3Sep 15
2010May 9Oct 2May 9Oct 28
2009May 11Sep 30Apr 11Oct 9
2008Apr 29Oct 3Apr 29Oct 21
2007May 17Sep 12Apr 15Oct 28
2006May 22Oct 5Apr 25Oct 10
2005May 4Oct 7May 4Oct 22
2004May 26Aug 21May 15Oct 14
2003May 2Sep 28May 2Oct 1
2002May 20Sep 24May 20Oct 6
2001Apr 24Sep 24Apr 24Sep 24
2000Jun 5Sep 15May 19Sep 24
1999Apr 24Sep 20Apr 24Oct 2
1998Apr 29Sep 22Apr 28Oct 20
1997May 21Oct 10May 13Oct 20
1996no dataSep 14no dataOct 2

"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.