Last Frost Day

Frost history / Diamond 2W, MO

Diamond 2W, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00232240, 1993 to 2025, measured from daily minimum temperatures.

Elevation 1,070 ft, 36.986, -94.355. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 18Oct 23
EarliestMar 10 (2012)Sep 22 (1995)
LatestMay 3 (2023)Nov 10 (2016)
Trendlittle change (less than half a day per decade)3.6 days later per decade
Years with data2425

At 28°F (hard freeze) the median last spring date is Apr 6 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 1Mar 16Mar 31Apr 15Apr 30May 152000201020201994: Apr 81995: Apr 241996: Apr 161997: May 11998: Apr 222006: Apr 102008: Apr 292009: Apr 122010: Mar 242011: Apr 62012: Mar 102013: Apr 252014: Apr 162015: Apr 52016: Apr 82017: Apr 82018: Apr 192019: Apr 202020: Apr 192021: Apr 232022: Apr 202023: May 32024: Apr 232025: Apr 9

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 262000201020201993: Oct 101994: Oct 261995: Sep 221996: Oct 181998: Oct 232005: Oct 232007: Nov 12008: Oct 282009: Oct 112010: Oct 292011: Oct 212012: Oct 72013: Oct 222014: Nov 12015: Oct 302016: Nov 102017: Oct 252018: Oct 212019: Oct 122020: Oct 162021: Nov 42022: Oct 142023: Oct 302024: Oct 162025: Oct 31

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 9Oct 31Apr 8Nov 2
2024Apr 23Oct 16Mar 29Oct 16
2023May 3Oct 30Apr 24Oct 30
2022Apr 20Oct 14Apr 10Oct 18
2021Apr 23Nov 4Apr 23Nov 5
2020Apr 19Oct 16Apr 19Oct 16
2019Apr 20Oct 12Apr 2Oct 12
2018Apr 19Oct 21Apr 11Nov 10
2017Apr 8Oct 25Mar 16Oct 28
2016Apr 8Nov 10Apr 3Nov 13
2015Apr 5Oct 30Mar 6Nov 8
2014Apr 16Nov 1Apr 16Nov 1
2013Apr 25Oct 22Mar 27Oct 25
2012Mar 10Oct 7Mar 9Oct 7
2011Apr 6Oct 21Apr 6Oct 21
2010Mar 24Oct 29Mar 5Oct 29
2009Apr 12Oct 11Apr 12Oct 19
2008Apr 29Oct 28Apr 15Oct 28
2007no dataNov 1no dataNov 7
2006Apr 10no dataApr 10no data
2005no dataOct 23no dataOct 25
1998Apr 22Oct 23Mar 22Nov 11
1997May 1no dataApr 14no data
1996Apr 16Oct 18Apr 6Nov 3
1995Apr 24Sep 22Mar 30Oct 21
1994Apr 8Oct 26Apr 7Oct 26
1993no dataOct 10no dataOct 30

"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.