Last Frost Day

Frost history / Vandalia, MO

Vandalia, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00238577, 1951 to 2025, measured from daily minimum temperatures.

Elevation 764 ft, 39.307, -91.493. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 16Oct 19
EarliestMar 23 (2017)Oct 2 (1974)
LatestMay 10 (1966)Nov 13 (2016)
Trend0.7 days earlier per decade0.6 days later per decade
Years with data6058

At 28°F (hard freeze) the median last spring date is Apr 4 and the median first fall date is Oct 31.

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 16Mar 31Apr 15Apr 30May 1519601970198019902000201020201951: Apr 231955: Mar 291957: May 41958: Apr 291960: Apr 101961: Apr 181962: Apr 161963: Apr 241964: Apr 91965: Apr 21966: May 101967: Apr 241968: Apr 241969: Mar 311970: Apr 51971: Apr 71972: Apr 91973: Apr 131974: Apr 91975: Apr 71976: May 31977: Apr 61978: May 21979: Apr 281980: Apr 171981: Apr 151982: Apr 211983: Apr 201988: Apr 241989: May 81990: Apr 181991: Apr 11992: Apr 41993: Apr 31994: Apr 81997: Apr 181998: Apr 51999: Mar 272004: Apr 142005: Apr 252006: Apr 102007: Apr 162008: Apr 302009: Apr 132010: Mar 272011: Apr 62012: Apr 122013: Apr 252014: Apr 162015: Apr 52016: Apr 132017: Mar 232018: Apr 202019: Apr 162020: Apr 192021: Apr 232022: Apr 202023: Apr 242024: Apr 62025: Apr 9

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201954: Oct 301956: Nov 81958: Oct 291959: Oct 171960: Oct 201961: Oct 261962: Oct 241963: Oct 291964: Oct 91965: Oct 241966: Oct 171967: Oct 111968: Oct 251969: Oct 141970: Oct 101971: Nov 41972: Oct 151973: Nov 31974: Oct 21975: Oct 191976: Oct 81977: Oct 121978: Oct 81979: Oct 51980: Oct 51981: Oct 191982: Oct 211987: Oct 31988: Oct 51989: Oct 61990: Oct 191991: Oct 191993: Oct 91994: Oct 251996: Oct 301997: Oct 221998: Nov 52003: Oct 22004: Nov 52005: Oct 262006: Oct 122007: Nov 12008: Oct 272009: Oct 182010: Oct 62011: Oct 282012: Oct 82013: Oct 232014: Nov 12016: Nov 132017: Oct 292018: Oct 162019: Oct 122020: Oct 172021: Nov 32022: Oct 182023: Oct 302025: Nov 2

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 9Nov 2Apr 9Nov 3
2024Apr 6no dataMar 28no data
2023Apr 24Oct 30Mar 21Oct 31
2022Apr 20Oct 18Apr 20Oct 18
2021Apr 23Nov 3Apr 21Nov 4
2020Apr 19Oct 17Apr 15Oct 31
2019Apr 16Oct 12Apr 1Oct 31
2018Apr 20Oct 16Apr 18Oct 21
2017Mar 23Oct 29Mar 17Oct 29
2016Apr 13Nov 13Apr 10Nov 20
2015Apr 5no dataMar 29no data
2014Apr 16Nov 1Apr 16Nov 1
2013Apr 25Oct 23Apr 4Oct 25
2012Apr 12Oct 8Mar 6Oct 27
2011Apr 6Oct 28Mar 29Nov 11
2010Mar 27Oct 6Mar 27Oct 29
2009Apr 13Oct 18Apr 8Nov 26
2008Apr 30Oct 27Apr 2Oct 28
2007Apr 16Nov 1Apr 10Nov 2
2006Apr 10Oct 12Mar 26Oct 24
2005Apr 25Oct 26Mar 20Nov 16
2004Apr 14Nov 5Mar 23Nov 13
2003no dataOct 2no dataNov 7
1999Mar 27no dataMar 25no data
1998Apr 5Nov 5Mar 25Nov 20
1997Apr 18Oct 22Apr 15Oct 22
1996no dataOct 30no dataNov 2
1994Apr 8Oct 25Apr 8Nov 23
1993Apr 3Oct 9Mar 18Oct 9
1992Apr 4no dataApr 3no data
1991Apr 1Oct 19Apr 1Nov 2
1990Apr 18Oct 19Apr 15Nov 8
1989May 8Oct 6Apr 13Oct 20
1988Apr 24Oct 5Mar 31Oct 26
1987no dataOct 3no dataOct 12
1983Apr 20no dataApr 19no data
1982Apr 21Oct 21Apr 21Oct 21
1981Apr 15Oct 19Mar 23Oct 23
1980Apr 17Oct 5Mar 25Oct 26
1979Apr 28Oct 5Apr 6Oct 13
1978May 2Oct 8Mar 27Nov 19
1977Apr 6Oct 12Mar 22Nov 11
1976May 3Oct 8Apr 26Oct 16
1975Apr 7Oct 19Apr 4Nov 13
1974Apr 9Oct 2Mar 25Oct 2
1973Apr 13Nov 3Apr 11Nov 5
1972Apr 9Oct 15Apr 8Oct 19
1971Apr 7Nov 4Apr 6Nov 6
1970Apr 5Oct 10Apr 2Nov 15
1969Mar 31Oct 14Mar 31Oct 27
1968Apr 24Oct 25Apr 6Oct 25
1967Apr 24Oct 11Apr 24Oct 28
1966May 10Oct 17Apr 10Nov 2
1965Apr 2Oct 24Mar 27Nov 13
1964Apr 9Oct 9Mar 31Oct 20
1963Apr 24Oct 29Apr 24Nov 2
1962Apr 16Oct 24Apr 16Oct 26
1961Apr 18Oct 26Apr 2Nov 4
1960Apr 10Oct 20Apr 10Oct 20
1959no dataOct 17no dataNov 5
1958Apr 29Oct 29Mar 26Nov 6
1957May 4no dataApr 14no data
1956no dataNov 8no dataNov 9
1955Mar 29no dataMar 28no data
1954no dataOct 30no dataNov 2
1951Apr 23no dataApr 17no data

"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.