Last Frost Day

Frost history / Brunswick, MO

Brunswick, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00231037, 1951 to 2017, measured from daily minimum temperatures.

Elevation 662 ft, 39.425, -93.133. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 13Oct 19
EarliestMar 10 (2012)Sep 19 (1991)
LatestMay 10 (1966)Nov 19 (2016)
Trend1.4 days earlier per decade0.5 days earlier per decade
Years with data5758

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 1Mar 16Mar 31Apr 15Apr 30May 151960197019801990200020101951: Apr 241952: Apr 151953: Apr 201955: Mar 291956: Apr 231957: May 41958: Apr 81959: Apr 201960: Apr 101961: May 21962: Apr 161963: Apr 241964: Apr 91965: Mar 311966: May 101967: Apr 241968: Apr 61969: Mar 311970: Apr 51971: Apr 71972: Apr 81975: Apr 211976: May 41977: Apr 61978: Mar 301979: Apr 121980: Apr 151981: Mar 241984: Apr 11985: Apr 91986: Apr 221987: Apr 121988: Apr 251989: May 21990: Apr 171991: Apr 111992: May 61993: Apr 221994: May 11995: Apr 221996: May 11997: Apr 171998: Apr 21999: Mar 272000: Apr 132001: Apr 192002: Apr 62003: Apr 112007: Apr 152008: Apr 152009: Apr 82010: Mar 272011: Apr 52012: Mar 102013: May 42016: Apr 132017: Mar 17

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261960197019801990200020101951: Oct 81952: Oct 61953: Oct 291954: Oct 311955: Oct 241956: Nov 81957: Oct 261958: Oct 301959: Oct 281960: Oct 201961: Oct 261962: Oct 241963: Nov 21964: Oct 91965: Oct 241966: Oct 171967: Oct 111968: Oct 251969: Oct 141970: Nov 11971: Nov 41972: Oct 191974: Oct 21975: Oct 21976: Oct 81977: Oct 161978: Oct 241979: Oct 131980: Oct 251981: Oct 231983: Sep 231984: Sep 261985: Oct 11986: Oct 141987: Oct 31988: Oct 51989: Oct 191990: Oct 191991: Sep 191992: Sep 291993: Oct 101994: Oct 251995: Sep 221996: Oct 231997: Oct 221998: Nov 61999: Oct 182000: Oct 72001: Oct 172002: Oct 162003: Oct 262007: Oct 282008: Oct 282009: Oct 102010: Oct 292011: Nov 42012: Oct 72016: Nov 19

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
2017Mar 17no dataMar 16no data
2016Apr 13Nov 19Apr 9Nov 20
2013May 4no dataApr 3no data
2012Mar 10Oct 7Mar 6Oct 27
2011Apr 5Nov 4Mar 27Nov 17
2010Mar 27Oct 29Mar 6Nov 5
2009Apr 8Oct 10Apr 8Nov 30
2008Apr 15Oct 28Mar 25Oct 28
2007Apr 15Oct 28Apr 10Nov 6
2003Apr 11Oct 26Apr 11Nov 7
2002Apr 6Oct 16Apr 5Nov 1
2001Apr 19Oct 17Mar 28Oct 27
2000Apr 13Oct 7Apr 12Oct 7
1999Mar 27Oct 18Mar 26Oct 18
1998Apr 2Nov 6Mar 24Nov 6
1997Apr 17Oct 22Apr 17Oct 23
1996May 1Oct 23Apr 9Nov 1
1995Apr 22Sep 22Apr 6Nov 3
1994May 1Oct 25Apr 8Oct 26
1993Apr 22Oct 10Apr 5Oct 30
1992May 6Sep 29Apr 3Oct 17
1991Apr 11Sep 19Mar 30Oct 7
1990Apr 17Oct 19Apr 17Oct 22
1989May 2Oct 19Apr 13Nov 2
1988Apr 25Oct 5Apr 16Oct 27
1987Apr 12Oct 3Apr 5Oct 12
1986Apr 22Oct 14Apr 22Nov 10
1985Apr 9Oct 1Apr 9Nov 5
1984Apr 1Sep 26Mar 31Nov 2
1983no dataSep 23no dataNov 5
1981Mar 24Oct 23Mar 20Oct 23
1980Apr 15Oct 25Mar 18Oct 26
1979Apr 12Oct 13Apr 7Oct 13
1978Mar 30Oct 24Mar 28Nov 14
1977Apr 6Oct 16Mar 23Nov 11
1976May 4Oct 8Apr 12Oct 17
1975Apr 21Oct 2Apr 5Nov 13
1974no dataOct 2no dataOct 2
1972Apr 8Oct 19Apr 8Oct 19
1971Apr 7Nov 4Mar 26Nov 7
1970Apr 5Nov 1Apr 5Nov 15
1969Mar 31Oct 14Mar 30Oct 28
1968Apr 6Oct 25Apr 1Nov 4
1967Apr 24Oct 11Apr 24Oct 28
1966May 10Oct 17Mar 28Nov 2
1965Mar 31Oct 24Mar 27Nov 17
1964Apr 9Oct 9Apr 9Nov 20
1963Apr 24Nov 2Mar 22Nov 2
1962Apr 16Oct 24Apr 16Nov 5
1961May 2Oct 26Apr 2Nov 3
1960Apr 10Oct 20Apr 10Oct 20
1959Apr 20Oct 28Mar 22Nov 5
1958Apr 8Oct 30Mar 28Nov 26
1957May 4Oct 26Apr 13Oct 26
1956Apr 23Nov 8Apr 23Nov 9
1955Mar 29Oct 24Mar 29Oct 31
1954no dataOct 31no dataOct 31
1953Apr 20Oct 29Apr 18Nov 5
1952Apr 15Oct 6Apr 10Oct 7
1951Apr 24Oct 8Apr 18Nov 1

"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 1991–2020 frost probabilities.