Last Frost Day

Frost history / Mansfield, MO

Mansfield, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00235227, 1962 to 2023, measured from daily minimum temperatures.

Elevation 1,448 ft, 37.109, -92.579. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 15Oct 19
EarliestMar 10 (2012)Sep 6 (1988)
LatestJun 16 (1989)Nov 20 (1998)
Trend1.7 days earlier per decade1.7 days later per decade
Years with data5056

At 28°F (hard freeze) the median last spring date is Apr 2 and the median first fall date is Oct 29.

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 15May 30Jun 14Jun 291970198019902000201020201966: May 101967: Apr 241968: Apr 61969: Mar 311970: Apr 51971: Apr 61972: Apr 91973: Apr 131974: Apr 91975: Apr 121977: Apr 61978: May 21979: May 51980: Apr 151981: Apr 151982: Apr 221983: Apr 211984: May 301985: Apr 151986: Apr 231987: Apr 251989: Jun 161993: Apr 201997: Apr 181998: Mar 221999: Apr 172000: Apr 92001: Apr 182002: Apr 62003: Apr 102004: Apr 22005: Mar 202006: Mar 262007: Apr 102008: Apr 302009: Apr 142010: Mar 262011: Apr 62012: Mar 102013: May 52014: Apr 162015: Apr 52016: Apr 102017: Mar 162018: Apr 202019: Apr 152020: Apr 192021: Apr 232022: Apr 192023: Apr 23

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261970198019902000201020201962: Oct 241963: Nov 21964: Oct 101965: Oct 241966: Oct 161967: Oct 111968: Oct 251969: Oct 151970: Oct 101971: Nov 41972: Oct 191973: Nov 51974: Nov 51975: Oct 31976: Oct 171977: Oct 131979: Oct 101980: Oct 121981: Oct 191982: Oct 141983: Sep 211984: Sep 261985: Sep 241986: Oct 71987: Oct 31988: Sep 61992: Oct 171994: Oct 261996: Oct 191997: Oct 221998: Nov 201999: Oct 202000: Oct 82001: Oct 172002: Oct 142003: Nov 72004: Nov 52005: Oct 262006: Oct 202007: Nov 12008: Oct 272009: Oct 182010: Oct 292011: Oct 212012: Oct 72013: Oct 232014: Nov 12015: Oct 302016: Nov 122017: Oct 282018: Oct 212019: Oct 122020: Oct 162021: Nov 32022: Oct 182023: Oct 30

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
2023Apr 23Oct 30Mar 20Oct 30
2022Apr 19Oct 18Apr 2Oct 19
2021Apr 23Nov 3Apr 21Nov 13
2020Apr 19Oct 16Apr 18Nov 2
2019Apr 15Oct 12Apr 1Oct 12
2018Apr 20Oct 21Apr 17Nov 10
2017Mar 16Oct 28Mar 16Oct 28
2016Apr 10Nov 12Mar 22Nov 19
2015Apr 5Oct 30Mar 7Nov 8
2014Apr 16Nov 1Apr 16Nov 1
2013May 5Oct 23Apr 4Oct 25
2012Mar 10Oct 7Mar 10Oct 28
2011Apr 6Oct 21Mar 28Nov 17
2010Mar 26Oct 29Mar 5Nov 6
2009Apr 14Oct 18Apr 7Nov 27
2008Apr 30Oct 27Mar 25Oct 28
2007Apr 10Nov 1Apr 9Nov 7
2006Mar 26Oct 20Mar 26Oct 24
2005Mar 20Oct 26Mar 20Nov 16
2004Apr 2Nov 5Mar 12Nov 25
2003Apr 10Nov 7Mar 30Nov 24
2002Apr 6Oct 14Apr 5Nov 16
2001Apr 18Oct 17Apr 1Oct 27
2000Apr 9Oct 8Mar 12Oct 8
1999Apr 17Oct 20Mar 26Oct 24
1998Mar 22Nov 20Mar 22Dec 9
1997Apr 18Oct 22Apr 15Nov 4
1996no dataOct 19no dataNov 3
1994no dataOct 26no dataNov 23
1993Apr 20no dataMar 19no data
1992no dataOct 17no dataNov 4
1989Jun 16no dataMay 13no data
1988no dataSep 6no dataOct 5
1987Apr 25Oct 3Apr 11Oct 3
1986Apr 23Oct 7Apr 23Oct 14
1985Apr 15Sep 24Apr 9Sep 27
1984May 30Sep 26Apr 23Sep 30
1983Apr 21Sep 21Apr 19Sep 23
1982Apr 22Oct 14Apr 22Oct 22
1981Apr 15Oct 19Mar 24Oct 19
1980Apr 15Oct 12Apr 14Oct 25
1979May 5Oct 10Apr 6Nov 7
1978May 2no dataMar 26no data
1977Apr 6Oct 13Apr 5Nov 12
1976no dataOct 17no dataOct 17
1975Apr 12Oct 3Apr 4Oct 26
1974Apr 9Nov 5Mar 26Nov 6
1973Apr 13Nov 5Apr 11Nov 6
1972Apr 9Oct 19Apr 9Oct 19
1971Apr 6Nov 4Mar 25Nov 7
1970Apr 5Oct 10Apr 2Nov 15
1969Mar 31Oct 15Mar 31Oct 28
1968Apr 6Oct 25Apr 6Oct 29
1967Apr 24Oct 11Mar 19Oct 28
1966May 10Oct 16Apr 6Oct 16
1965no dataOct 24no dataNov 17
1964no dataOct 10no dataOct 10
1963no dataNov 2no dataNov 13
1962no dataOct 24no dataOct 26

"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.