Last Frost Day

Frost history / Lees Summit Muni Ap, MO

Lees Summit Muni Ap, MO: frost dates by year

Last spring and first fall frost at NOAA station USW00053879, 2002 to 2024, measured from daily minimum temperatures.

Elevation 997 ft, 38.960, -94.371. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 12Oct 28
EarliestMar 9 (2012)Oct 7 (2012)
LatestMay 2 (2005)Nov 22 (2024)
Trend1.9 days later per decade2.9 days later per decade
Years with data2223

At 28°F (hard freeze) the median last spring date is Mar 24 and the median first fall date is Nov 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 1Mar 16Mar 31Apr 15Apr 30May 15201020202003: Apr 102004: Apr 132005: May 22006: Mar 242007: Apr 132008: Apr 142009: Apr 72010: Mar 222011: Mar 282012: Mar 92013: Apr 242014: Apr 152015: Apr 42016: Apr 92017: Mar 152018: Apr 192019: Apr 122020: Apr 182021: Apr 222022: Apr 192023: Apr 232024: Mar 27

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11201020202002: Oct 312003: Oct 262004: Nov 122005: Oct 252006: Oct 132007: Nov 62008: Oct 272009: Oct 102010: Oct 292011: Oct 202012: Oct 72013: Oct 232014: Oct 312015: Oct 292016: Nov 192017: Oct 282018: Oct 152019: Oct 302020: Oct 262021: Nov 32022: Oct 182023: Oct 302024: Nov 22

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
2024Mar 27Nov 22Mar 27Nov 26
2023Apr 23Oct 30Mar 19Oct 31
2022Apr 19Oct 18Mar 12Oct 18
2021Apr 22Nov 3Mar 2Nov 13
2020Apr 18Oct 26Apr 10Nov 13
2019Apr 12Oct 30Mar 31Oct 31
2018Apr 19Oct 15Apr 16Nov 9
2017Mar 15Oct 28Mar 15Oct 31
2016Apr 9Nov 19Mar 19Dec 1
2015Apr 4Oct 29Mar 6Nov 21
2014Apr 15Oct 31Mar 25Nov 1
2013Apr 24Oct 23Apr 2Nov 12
2012Mar 9Oct 7Mar 5Nov 11
2011Mar 28Oct 20Mar 15Nov 17
2010Mar 22Oct 29Mar 4Nov 23
2009Apr 7Oct 10Apr 7Nov 30
2008Apr 14Oct 27Mar 24Oct 28
2007Apr 13Nov 6Apr 8Nov 21
2006Mar 24Oct 13Mar 24Nov 1
2005May 2Oct 25Mar 20Nov 16
2004Apr 13Nov 12Mar 31Nov 24
2003Apr 10Oct 26Apr 9Nov 6
2002no dataOct 31no dataNov 1

"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.