Last Frost Day

Frost history / Plainville 4WNW, KS

Plainville 4WNW, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00146435, 1951 to 2025, measured from daily minimum temperatures.

Elevation 2,194 ft, 39.245, -99.381. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 24Oct 17
EarliestMar 10 (2012)Sep 20 (1995)
LatestMay 15 (1973)Nov 3 (1998)
Trend0.6 days earlier per decadelittle change (less than half a day per decade)
Years with data6768

At 28°F (hard freeze) the median last spring date is Apr 13 and the median first fall date is Oct 26.

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 15May 3019601970198019902000201020201951: May 71952: Apr 141953: May 141954: May 31955: Apr 71956: Apr 291957: Apr 141958: Apr 241959: Apr 131960: Apr 301961: May 11962: Apr 51963: Apr 231964: Apr 141965: Apr 281966: May 131967: May 31968: Apr 101969: Apr 51970: May 21971: May 121972: Apr 91973: May 151974: Apr 161975: Apr 191976: May 31977: Apr 51978: Apr 251979: May 111980: Apr 151981: May 101982: Apr 221988: Apr 271989: May 71990: May 111991: Apr 141992: Apr 271994: Apr 291995: Apr 281996: Apr 231997: Apr 261998: Apr 181999: Apr 192000: Apr 182002: Apr 292003: Apr 102004: May 32005: May 52006: Apr 272007: Apr 162008: May 122009: Apr 292010: Apr 42011: Apr 172012: Mar 102013: May 52014: Apr 182015: Apr 112016: Apr 132017: May 22019: Apr 152020: Apr 182021: Apr 222022: Apr 262023: May 22024: Apr 222025: Apr 19

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Oct 71952: Oct 61953: Oct 271955: Oct 241956: Oct 261957: Oct 251958: Oct 241959: Oct 171960: Oct 191961: Nov 21962: Oct 251963: Nov 11964: Oct 61965: Nov 11966: Oct 151967: Sep 281968: Oct 41969: Oct 131970: Oct 81971: Oct 241972: Oct 71973: Oct 291974: Oct 151975: Oct 161976: Sep 281977: Oct 111978: Oct 61979: Oct 231980: Oct 241981: Oct 231982: Oct 111986: Oct 121987: Oct 111988: Oct 281989: Sep 241992: Oct 81993: Oct 91994: Oct 241995: Sep 201996: Oct 171997: Oct 251998: Nov 31999: Oct 182000: Oct 72001: Oct 162002: Oct 232003: Oct 22004: Oct 32005: Oct 232006: Oct 192007: Nov 12008: Oct 272009: Oct 92010: Oct 292011: Oct 192012: Oct 62013: Oct 162014: Oct 292015: Oct 292016: Oct 132017: Oct 272019: Oct 112020: Oct 232021: Oct 212022: Oct 172023: Oct 72024: Oct 162025: Oct 22

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 19Oct 22Apr 16Oct 31
2024Apr 22Oct 16Mar 28Oct 16
2023May 2Oct 7Apr 24Oct 28
2022Apr 26Oct 17Apr 17Oct 17
2021Apr 22Oct 21Apr 22Nov 13
2020Apr 18Oct 23Apr 18Oct 24
2019Apr 15Oct 11Apr 15Oct 11
2017May 2Oct 27Mar 16Oct 27
2016Apr 13Oct 13Apr 2Nov 12
2015Apr 11Oct 29Mar 27Oct 30
2014Apr 18Oct 29Apr 16Oct 29
2013May 5Oct 16May 5Nov 6
2012Mar 10Oct 6Mar 9Oct 7
2011Apr 17Oct 19Mar 31Oct 21
2010Apr 4Oct 29Apr 4Nov 6
2009Apr 29Oct 9Apr 8Oct 10
2008May 12Oct 27Apr 15Nov 21
2007Apr 16Nov 1Apr 13Nov 1
2006Apr 27Oct 19Mar 26Oct 19
2005May 5Oct 23May 3Oct 25
2004May 3Oct 3Apr 14Nov 3
2003Apr 10Oct 2Apr 10Oct 2
2002Apr 29Oct 23Apr 4Oct 24
2001no dataOct 16no dataOct 27
2000Apr 18Oct 7Apr 18Oct 7
1999Apr 19Oct 18Apr 18Nov 2
1998Apr 18Nov 3Mar 17Nov 9
1997Apr 26Oct 25Apr 14Oct 25
1996Apr 23Oct 17Apr 14Oct 17
1995Apr 28Sep 20Apr 28Oct 23
1994Apr 29Oct 24Apr 29Nov 4
1993no dataOct 9no dataOct 26
1992Apr 27Oct 8Apr 1Nov 3
1991Apr 14no dataMar 30no data
1990May 11no dataApr 12no data
1989May 7Sep 24May 7Oct 18
1988Apr 27Oct 28Apr 12Oct 28
1987no dataOct 11no dataOct 21
1986no dataOct 12no dataNov 9
1982Apr 22Oct 11Apr 22Oct 20
1981May 10Oct 23Mar 23Oct 23
1980Apr 15Oct 24Apr 14Oct 24
1979May 11Oct 23Apr 6Nov 2
1978Apr 25Oct 6Apr 20Oct 26
1977Apr 5Oct 11Apr 5Oct 12
1976May 3Sep 28May 3Oct 16
1975Apr 19Oct 16Apr 12Oct 25
1974Apr 16Oct 15Apr 16Nov 6
1973May 15Oct 29Apr 10Oct 29
1972Apr 9Oct 7Apr 4Oct 19
1971May 12Oct 24Apr 6Oct 31
1970May 2Oct 8Apr 5Oct 8
1969Apr 5Oct 13Mar 31Oct 14
1968Apr 10Oct 4Apr 9Nov 11
1967May 3Sep 28May 1Oct 25
1966May 13Oct 15Apr 28Oct 16
1965Apr 28Nov 1Apr 28Nov 9
1964Apr 14Oct 6Apr 14Oct 9
1963Apr 23Nov 1Mar 17Nov 13
1962Apr 5Oct 25Apr 2Oct 25
1961May 1Nov 2Apr 17Nov 2
1960Apr 30Oct 19Mar 25Nov 5
1959Apr 13Oct 17Apr 13Oct 27
1958Apr 24Oct 24Apr 24Oct 30
1957Apr 14Oct 25Apr 13Oct 25
1956Apr 29Oct 26Apr 18Nov 6
1955Apr 7Oct 24Apr 7Oct 30
1954May 3no dataMay 3no data
1953May 14Oct 27Apr 20Nov 6
1952Apr 14Oct 6Apr 10Oct 6
1951May 7Oct 7Apr 16Oct 22

"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.