Last Frost Day

Frost history / Lawrence, KS

Lawrence, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00144559, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,050 ft, 38.958, -95.251. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 9Oct 28
EarliestMar 10 (2012)Oct 5 (1964)
LatestMay 3 (1976)Nov 21 (2024)
Trend0.8 days earlier per decadelittle change (less than half a day per decade)
Years with data6467

At 28°F (hard freeze) the median last spring date is Mar 31 and the median first fall date is Nov 7.

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 1519601970198019902000201020201951: Apr 161952: Apr 111953: Apr 201954: Apr 41955: Mar 291956: Apr 241957: Apr 131958: Mar 281959: Apr 121960: Apr 301961: Apr 171962: Apr 151963: Mar 211964: Apr 91965: Mar 301966: Apr 211967: Apr 241968: Apr 51969: Mar 261970: Apr 131971: Apr 61972: Apr 81973: Apr 111974: Apr 51975: Apr 121976: May 31977: Apr 61978: Apr 211979: Apr 61980: Apr 141981: Mar 201982: Apr 91983: Apr 181984: Mar 311985: Apr 11986: Apr 221987: Apr 41988: Mar 191989: Apr 111991: Mar 301992: Apr 211993: Apr 51994: Apr 61996: Apr 61997: Apr 141999: Mar 262000: Mar 282001: Mar 272003: Apr 102008: Apr 272009: Apr 82010: Mar 232011: Mar 312012: Mar 102013: Apr 242014: Apr 152015: Apr 112016: Apr 142018: Apr 182019: Apr 132020: Apr 162022: Apr 82023: Apr 52025: Mar 19

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Oct 311952: Oct 61953: Nov 51954: Oct 301955: Oct 241956: Nov 71957: Oct 251958: Nov 181959: Oct 281960: Oct 201961: Nov 31962: Oct 251963: Nov 11964: Oct 51965: Oct 241966: Oct 161967: Oct 281968: Nov 81969: Oct 141970: Nov 11971: Nov 61972: Oct 191973: Nov 61974: Nov 61975: Oct 251976: Oct 171977: Nov 101978: Nov 71979: Oct 131980: Oct 251981: Oct 231982: Oct 211983: Nov 101984: Oct 291985: Nov 191986: Nov 91987: Oct 211988: Oct 281989: Oct 201990: Nov 51991: Oct 191992: Nov 31996: Oct 221998: Nov 201999: Oct 242000: Oct 72002: Oct 132003: Nov 62007: Oct 282008: Oct 272009: Nov 172010: Nov 52011: Oct 202012: Oct 72013: Oct 192014: Nov 12015: Oct 262016: Nov 182017: Oct 272018: Oct 142019: Oct 282020: Oct 252021: Nov 32022: Oct 172023: Oct 282024: Nov 212025: Nov 9

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
2025Mar 19Nov 9Mar 5Nov 9
2024no dataNov 21no dataNov 25
2023Apr 5Oct 28Mar 27Oct 30
2022Apr 8Oct 17Mar 12Oct 17
2021no dataNov 3no dataNov 13
2020Apr 16Oct 25Apr 12Oct 25
2019Apr 13Oct 28Mar 31Oct 30
2018Apr 18Oct 14Apr 15Nov 7
2017no dataOct 27no dataOct 27
2016Apr 14Nov 18Apr 13Nov 19
2015Apr 11Oct 26Mar 31Oct 30
2014Apr 15Nov 1Apr 15Nov 1
2013Apr 24Oct 19Apr 24Nov 12
2012Mar 10Oct 7Mar 4Nov 11
2011Mar 31Oct 20Mar 26Nov 17
2010Mar 23Nov 5Mar 22Nov 23
2009Apr 8Nov 17Apr 8Dec 1
2008Apr 27Oct 27Apr 15Oct 28
2007no dataOct 28no dataNov 1
2003Apr 10Nov 6Apr 10Nov 6
2002no dataOct 13no dataNov 1
2001Mar 27no dataMar 27no data
2000Mar 28Oct 7Mar 28Nov 8
1999Mar 26Oct 24Mar 14Nov 25
1998no dataNov 20no dataDec 8
1997Apr 14no dataApr 13no data
1996Apr 6Oct 22Apr 6Nov 2
1994Apr 6no dataApr 6no data
1993Apr 5no dataApr 2no data
1992Apr 21Nov 3Apr 2Nov 6
1991Mar 30Oct 19Mar 30Oct 30
1990no dataNov 5no dataNov 7
1989Apr 11Oct 20Apr 10Nov 2
1988Mar 19Oct 28Mar 18Nov 20
1987Apr 4Oct 21Apr 4Nov 10
1986Apr 22Nov 9Apr 22Nov 10
1985Apr 1Nov 19Mar 6Nov 19
1984Mar 31Oct 29Mar 30Nov 2
1983Apr 18Nov 10Mar 22Nov 11
1982Apr 9Oct 21Apr 9Nov 4
1981Mar 20Oct 23Mar 20Oct 23
1980Apr 14Oct 25Mar 11Oct 29
1979Apr 6Oct 13Apr 6Nov 7
1978Apr 21Nov 7Mar 27Nov 19
1977Apr 6Nov 10Mar 23Nov 12
1976May 3Oct 17Mar 17Oct 17
1975Apr 12Oct 25Apr 3Nov 13
1974Apr 5Nov 6Mar 25Nov 14
1973Apr 11Nov 6Apr 10Nov 10
1972Apr 8Oct 19Apr 4Oct 19
1971Apr 6Nov 6Mar 25Nov 7
1970Apr 13Nov 1Apr 2Nov 15
1969Mar 26Oct 14Mar 26Oct 27
1968Apr 5Nov 8Apr 5Nov 9
1967Apr 24Oct 28Apr 24Nov 4
1966Apr 21Oct 16Apr 21Nov 2
1965Mar 30Oct 24Mar 30Nov 9
1964Apr 9Oct 5Mar 31Nov 20
1963Mar 21Nov 1Mar 21Nov 13
1962Apr 15Oct 25Apr 13Nov 5
1961Apr 17Nov 3Mar 16Nov 3
1960Apr 30Oct 20Mar 26Oct 20
1959Apr 12Oct 28Mar 22Nov 5
1958Mar 28Nov 18Mar 21Nov 18
1957Apr 13Oct 25Apr 13Oct 26
1956Apr 24Nov 7Apr 24Nov 9
1955Mar 29Oct 24Mar 28Nov 3
1954Apr 4Oct 30Apr 3Oct 31
1953Apr 20Nov 5Mar 8Nov 8
1952Apr 11Oct 6Apr 10Oct 7
1951Apr 16Oct 31Apr 3Nov 2

"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.