Last Frost Day

Frost history / Francesville, IN

Francesville, IN: frost dates by year

Last spring and first fall frost at NOAA station USC00123078, 1998 to 2025, measured from daily minimum temperatures.

Elevation 680 ft, 40.984, -86.887. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 27Oct 17
EarliestApr 10 (2006)Sep 24 (2012)
LatestMay 21 (2002)Oct 31 (2023)
Trendlittle change (less than half a day per decade)2.2 days later per decade
Years with data2325

At 28°F (hard freeze) the median last spring date is Apr 17 and the median first fall date is Oct 28.

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 302000201020201999: Apr 192001: May 132002: May 212005: May 42006: Apr 102007: Apr 172009: Apr 232010: Apr 282011: May 42012: Apr 272013: Apr 262014: Apr 242015: Apr 282016: Apr 142017: May 82018: Apr 292019: Apr 212020: May 92021: May 122022: Apr 272023: Apr 282024: Apr 272025: Apr 27

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 112000201020201998: Oct 232001: Oct 72002: Oct 142004: Oct 32005: Oct 232006: Oct 122007: Oct 282008: Oct 222009: Oct 102010: Oct 52011: Oct 212012: Sep 242013: Oct 222014: Oct 192015: Oct 172016: Oct 252017: Oct 262018: Oct 122019: Oct 122020: Oct 52021: Oct 272022: Oct 82023: Oct 312024: Oct 172025: Oct 24

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 27Oct 24Apr 17Nov 6
2024Apr 27Oct 17Apr 27Oct 17
2023Apr 28Oct 31Apr 27Oct 31
2022Apr 27Oct 8Apr 27Oct 20
2021May 12Oct 27Apr 22Nov 2
2020May 9Oct 5May 9Oct 31
2019Apr 21Oct 12Apr 1Nov 1
2018Apr 29Oct 12Apr 29Oct 18
2017May 8Oct 26Mar 23Nov 8
2016Apr 14Oct 25Apr 12Nov 12
2015Apr 28Oct 17Apr 24Oct 18
2014Apr 24Oct 19Apr 16Nov 1
2013Apr 26Oct 22Apr 21Oct 22
2012Apr 27Sep 24Apr 27Oct 8
2011May 4Oct 21Apr 2Oct 28
2010Apr 28Oct 5Mar 31Oct 19
2009Apr 23Oct 10Apr 13Nov 1
2008no dataOct 22no dataOct 28
2007Apr 17Oct 28Apr 11Nov 2
2006Apr 10Oct 12Apr 9Oct 15
2005May 4Oct 23May 3Oct 29
2004no dataOct 3no dataOct 5
2002May 21Oct 14Apr 7Oct 14
2001May 13Oct 7Apr 18Oct 28
1999Apr 19no dataMar 27no data
1998no dataOct 23no dataNov 7

"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.