Last Frost Day

Frost history / New Franklin 1W, MO

New Franklin 1W, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00236012, 1956 to 2024, measured from daily minimum temperatures.

Elevation 641 ft, 39.017, -92.756. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 12Oct 21
EarliestMar 16 (2017)Sep 23 (1983)
LatestMay 10 (1966)Nov 13 (2016)
Trend0.8 days earlier per decade1.4 days later per decade
Years with data6461

At 28°F (hard freeze) the median last spring date is Apr 5 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 1519601970198019902000201020201957: Apr 151958: Apr 81959: Apr 141960: Apr 101961: May 21962: Apr 161963: May 11964: Apr 91965: Mar 311966: May 101967: Apr 241968: Apr 251969: Mar 311970: Apr 51971: Apr 101972: Apr 81973: Apr 131974: Apr 91975: Apr 121976: May 31977: Apr 61978: Mar 271979: Apr 101980: Apr 161981: Apr 61982: Apr 231983: Apr 191984: Apr 11985: Apr 91986: Apr 221987: Apr 121990: Apr 131991: Mar 311992: Apr 281993: Apr 51994: Apr 81995: Apr 51996: Apr 101997: Apr 171998: Mar 241999: Mar 282000: Apr 122001: Apr 172002: Apr 52003: Apr 112004: Apr 132005: Apr 242006: Apr 92007: Apr 162008: Apr 292009: Apr 122010: Mar 302011: Apr 52012: Apr 122013: Apr 242014: Apr 152015: Apr 42016: Apr 122017: Mar 162018: Apr 212019: Apr 12022: Apr 192023: Apr 252024: Apr 6

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201956: Nov 81957: Oct 191958: Oct 11959: Oct 181961: Oct 261962: Oct 241963: Oct 291964: Oct 91965: Oct 241966: Oct 171967: Oct 111968: Oct 251969: Oct 141970: Oct 161971: Nov 41972: Oct 191973: Oct 301974: Oct 21975: Oct 191976: Oct 81977: Oct 131978: Oct 241979: Oct 51980: Oct 51981: Oct 191982: Oct 211983: Sep 231985: Oct 11986: Nov 91989: Sep 241990: Oct 221991: Oct 71992: Oct 171993: Oct 101994: Oct 251995: Oct 251996: Oct 311997: Oct 221998: Nov 61999: Oct 182000: Oct 72001: Oct 172002: Oct 162003: Nov 62004: Nov 52005: Oct 262006: Oct 122007: Oct 282008: Oct 272009: Oct 102010: Oct 292011: Oct 212012: Oct 72013: Oct 232014: Nov 12015: Oct 302016: Nov 132017: Oct 292018: Oct 162019: Oct 312023: 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
2024Apr 6no dataMar 29no data
2023Apr 25Oct 31Apr 25Oct 31
2022Apr 19no dataApr 10no data
2019Apr 1Oct 31Apr 1Oct 31
2018Apr 21Oct 16Apr 17Oct 22
2017Mar 16Oct 29Mar 16Oct 29
2016Apr 12Nov 13Apr 9Nov 19
2015Apr 4Oct 30Apr 4Nov 9
2014Apr 15Nov 1Apr 15Nov 1
2013Apr 24Oct 23Apr 3Oct 25
2012Apr 12Oct 7Mar 5Oct 27
2011Apr 5Oct 21Mar 27Nov 11
2010Mar 30Oct 29Mar 6Oct 29
2009Apr 12Oct 10Apr 7Nov 27
2008Apr 29Oct 27Mar 25Oct 28
2007Apr 16Oct 28Apr 10Nov 2
2006Apr 9Oct 12Apr 9Oct 13
2005Apr 24Oct 26Mar 20Nov 10
2004Apr 13Nov 5Mar 22Nov 25
2003Apr 11Nov 6Apr 10Nov 7
2002Apr 5Oct 16Apr 5Nov 1
2001Apr 17Oct 17Mar 27Oct 27
2000Apr 12Oct 7Mar 28Oct 8
1999Mar 28Oct 18Mar 26Oct 18
1998Mar 24Nov 6Mar 24Nov 21
1997Apr 17Oct 22Apr 14Nov 4
1996Apr 10Oct 31Apr 6Nov 2
1995Apr 5Oct 25Apr 5Nov 3
1994Apr 8Oct 25Apr 7Oct 26
1993Apr 5Oct 10Mar 19Oct 31
1992Apr 28Oct 17Apr 3Nov 7
1991Mar 31Oct 7Mar 15Oct 19
1990Apr 13Oct 22Apr 13Oct 22
1989no dataSep 24no dataOct 20
1987Apr 12no dataApr 5no data
1986Apr 22Nov 9Apr 22Nov 10
1985Apr 9Oct 1Apr 9Nov 5
1984Apr 1no dataApr 1no data
1983Apr 19Sep 23Apr 19Nov 5
1982Apr 23Oct 21Apr 21Oct 21
1981Apr 6Oct 19Mar 20Oct 23
1980Apr 16Oct 5Mar 22Oct 26
1979Apr 10Oct 5Apr 6Oct 13
1978Mar 27Oct 24Mar 27Nov 19
1977Apr 6Oct 13Mar 22Nov 11
1976May 3Oct 8Apr 12Oct 17
1975Apr 12Oct 19Apr 4Nov 13
1974Apr 9Oct 2Apr 6Nov 14
1973Apr 13Oct 30Apr 13Nov 5
1972Apr 8Oct 19Apr 8Oct 19
1971Apr 10Nov 4Apr 7Nov 4
1970Apr 5Oct 16Apr 5Nov 1
1969Mar 31Oct 14Mar 30Oct 27
1968Apr 25Oct 25Apr 1Oct 25
1967Apr 24Oct 11Apr 24Oct 28
1966May 10Oct 17Apr 10Oct 23
1965Mar 31Oct 24Mar 27Nov 17
1964Apr 9Oct 9Apr 9Oct 10
1963May 1Oct 29Mar 22Nov 2
1962Apr 16Oct 24Apr 16Nov 5
1961May 2Oct 26Apr 18Nov 3
1960Apr 10no dataApr 10no data
1959Apr 14Oct 18Mar 28Nov 5
1958Apr 8Oct 1Mar 28Nov 26
1957Apr 15Oct 19Apr 14Oct 26
1956no dataNov 8no dataNov 9

"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.