Last Frost Day

Frost history / Independence, MO

Independence, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00234154, 1990 to 2020, measured from daily minimum temperatures.

Elevation 985 ft, 39.065, -94.386. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 11Oct 26
EarliestMar 16 (2017)Oct 7 (1991)
LatestMay 3 (2013)Nov 12 (2016)
Trend0.8 days later per decade3.7 days later per decade
Years with data2727

At 28°F (hard freeze) the median last spring date is Mar 30 and the median first fall date is Nov 1.

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 1Mar 16Mar 31Apr 15Apr 30May 1519902000201020201990: Apr 131991: Mar 311993: Apr 51994: Apr 71996: Apr 151997: Apr 181998: Apr 21999: Apr 192000: Apr 132001: Apr 192002: Apr 52004: Apr 132005: Mar 212006: Mar 302007: Apr 102008: Apr 152009: Apr 112010: Mar 302011: Apr 62013: May 32014: Apr 182015: Apr 52016: Apr 102017: Mar 162018: Apr 202019: Apr 132020: Apr 18

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 2619902000201020201990: Oct 191991: Oct 71992: Oct 171993: Oct 91995: Oct 221996: Oct 231997: Oct 271998: Nov 61999: Oct 182000: Oct 72002: Nov 12003: Nov 62004: Nov 122005: Oct 262006: Oct 222007: Nov 12008: Oct 282009: Oct 182010: Oct 292011: Oct 212012: Oct 272013: Oct 252015: Oct 302016: Nov 122017: Oct 282019: Oct 122020: Oct 26

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
2020Apr 18Oct 26Apr 14Oct 26
2019Apr 13Oct 12Apr 1Oct 31
2018Apr 20no dataApr 17no data
2017Mar 16Oct 28Mar 16Oct 29
2016Apr 10Nov 12Mar 26Nov 19
2015Apr 5Oct 30Mar 7Nov 22
2014Apr 18no dataApr 16no data
2013May 3Oct 25Apr 20Oct 25
2012no dataOct 27no dataOct 27
2011Apr 6Oct 21Mar 16Nov 17
2010Mar 30Oct 29Mar 21Nov 6
2009Apr 11Oct 18Apr 8Nov 30
2008Apr 15Oct 28Mar 25Oct 28
2007Apr 10Nov 1Apr 9Nov 7
2006Mar 30Oct 22Mar 26Nov 2
2005Mar 21Oct 26Mar 21Nov 16
2004Apr 13Nov 12Mar 22Nov 25
2003no dataNov 6no dataNov 7
2002Apr 5Nov 1Apr 5Nov 1
2001Apr 19no dataMar 28no data
2000Apr 13Oct 7Mar 29Oct 9
1999Apr 19Oct 18Mar 27Oct 25
1998Apr 2Nov 6Mar 22Nov 6
1997Apr 18Oct 27Apr 15Oct 27
1996Apr 15Oct 23Apr 7Nov 1
1995no dataOct 22no dataNov 3
1994Apr 7no dataApr 6no data
1993Apr 5Oct 9Apr 5Oct 29
1992no dataOct 17no dataNov 5
1991Mar 31Oct 7Mar 30Oct 19
1990Apr 13Oct 19Apr 13Oct 23

"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.