Last Frost Day

Frost history / Billings 1SW, MO

Billings 1SW, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00230657, 1962 to 2025, measured from daily minimum temperatures.

Elevation 1,310 ft, 37.054, -93.576. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 15Oct 22
EarliestMar 22 (1998)Oct 1 (1984)
LatestMay 7 (1992)Nov 11 (1998)
Trend0.7 days later per decade0.5 days later per decade
Years with data5941

At 28°F (hard freeze) the median last spring date is Apr 5 and the median first fall date is Nov 2.

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 151970198019902000201020201963: May 11964: Apr 91965: Mar 271966: Apr 211970: Apr 51971: Apr 71972: Apr 251973: Apr 131974: Apr 171975: Apr 131976: May 41977: Apr 61978: Apr 221979: Apr 281980: Apr 151981: Apr 61982: Apr 221983: Apr 191984: Apr 11985: Apr 91986: Apr 221987: Apr 51988: Apr 201989: May 21990: Apr 131991: Mar 311992: May 71993: Apr 231994: Apr 81995: Apr 51996: Apr 111997: Apr 181998: Mar 221999: Apr 172000: Apr 102001: Apr 192002: Apr 62003: Apr 112004: Apr 142005: May 22006: Apr 92007: Apr 162008: May 32009: Apr 152010: Mar 292012: Apr 212013: May 42014: May 22015: Apr 42016: Apr 122017: Apr 82018: Apr 212019: Apr 142020: Apr 182021: Apr 232022: Apr 192023: May 42024: Apr 232025: Apr 9

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261970198019902000201020201962: Oct 251963: Oct 291964: Oct 91965: Oct 241966: Oct 161970: Oct 101973: Nov 61974: Nov 61980: Oct 251982: Oct 211983: Nov 111984: Oct 11986: Oct 141987: Oct 31988: Oct 311990: Oct 111991: Oct 71994: Oct 261998: Nov 111999: Oct 182001: Oct 172002: Oct 142003: Nov 72004: Nov 52006: Oct 122007: Oct 312009: Oct 102012: Oct 72013: Oct 222014: Oct 312015: Oct 302016: Nov 102017: Oct 282018: Oct 212019: Oct 122020: Oct 162021: Nov 42022: Oct 182023: Oct 302024: Oct 162025: Nov 1

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 1Apr 9Nov 3
2024Apr 23Oct 16Mar 28Oct 16
2023May 4Oct 30Apr 23Oct 30
2022Apr 19Oct 18Apr 19Oct 18
2021Apr 23Nov 4Apr 23Nov 4
2020Apr 18Oct 16Apr 18Oct 16
2019Apr 14Oct 12Apr 2Oct 31
2018Apr 21Oct 21Apr 15Nov 10
2017Apr 8Oct 28Mar 16Oct 28
2016Apr 12Nov 10Mar 28Nov 13
2015Apr 4Oct 30Apr 4Nov 8
2014May 2Oct 31Apr 15Oct 31
2013May 4Oct 22Apr 5Oct 25
2012Apr 21Oct 7Mar 10Oct 27
2010Mar 29no dataMar 26no data
2009Apr 15Oct 10Apr 11Oct 18
2008May 3no dataApr 28no data
2007Apr 16Oct 31Apr 9Nov 6
2006Apr 9Oct 12Apr 9Oct 19
2005May 2no dataMar 18no data
2004Apr 14Nov 5Mar 31Nov 13
2003Apr 11Nov 7Apr 11Nov 7
2002Apr 6Oct 14Apr 4Nov 12
2001Apr 19Oct 17Apr 1Oct 27
2000Apr 10no dataApr 9no data
1999Apr 17Oct 18Mar 27Oct 24
1998Mar 22Nov 11Mar 22Dec 9
1997Apr 18no dataApr 14no data
1996Apr 11no dataApr 7no data
1995Apr 5no dataMar 31no data
1994Apr 8Oct 26Apr 8Oct 26
1993Apr 23no dataMar 24no data
1992May 7no dataApr 3no data
1991Mar 31Oct 7Mar 31Nov 1
1990Apr 13Oct 11Apr 13Oct 23
1989May 2no dataApr 12no data
1988Apr 20Oct 31Mar 30Nov 17
1987Apr 5Oct 3Apr 5Oct 13
1986Apr 22Oct 14Mar 22Nov 11
1985Apr 9no dataApr 9no data
1984Apr 1Oct 1Mar 30Nov 2
1983Apr 19Nov 11Apr 16Nov 16
1982Apr 22Oct 21Apr 9Oct 22
1981Apr 6no dataMar 19no data
1980Apr 15Oct 25Mar 18Oct 29
1979Apr 28no dataApr 6no data
1978Apr 22no dataApr 21no data
1977Apr 6no dataMar 31no data
1976May 4no dataMar 16no data
1975Apr 13no dataApr 12no data
1974Apr 17Nov 6Apr 9Nov 6
1973Apr 13Nov 6Apr 11Nov 10
1972Apr 25no dataApr 5no data
1971Apr 7no dataApr 7no data
1970Apr 5Oct 10Apr 2Nov 15
1966Apr 21Oct 16Mar 28Nov 2
1965Mar 27Oct 24Mar 27Nov 17
1964Apr 9Oct 9Mar 31Nov 20
1963May 1Oct 29Mar 22Nov 13
1962no dataOct 25no dataNov 5

"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.