Last Frost Day

Frost history / Oakley 4W, KS

Oakley 4W, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00145888, 1951 to 2025, measured from daily minimum temperatures.

Elevation 3,102 ft, 39.113, -100.945. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 30Oct 13
EarliestApr 4 (1972)Sep 21 (1995)
LatestMay 17 (2011)Nov 1 (1963)
Trend0.6 days later per decade0.5 days earlier per decade
Years with data7071

At 28°F (hard freeze) the median last spring date is Apr 17 and the median first fall date is Oct 22.

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 15May 3019601970198019902000201020201951: May 71952: May 111953: May 141954: May 31955: Apr 281956: Apr 301957: Apr 141958: Apr 291959: Apr 221960: Apr 301961: Apr 281962: Apr 131963: Apr 231964: Apr 181965: Apr 281966: May 131967: May 41968: Apr 231969: Apr 281970: May 11971: May 121972: Apr 41973: Apr 271974: Apr 161975: Apr 191976: Apr 41977: Apr 51978: Apr 251979: May 111980: Apr 141981: May 101983: May 151985: Apr 91986: Apr 171987: Apr 221989: May 61990: May 111991: May 51993: May 31994: May 11995: Apr 281996: Apr 301997: May 101998: May 41999: Apr 192000: May 142001: Apr 232002: May 102003: Apr 222004: May 152005: May 42006: May 122007: Apr 272008: May 142009: Apr 122010: May 32011: May 172012: Apr 172013: May 62014: May 152015: Apr 242016: Apr 122017: May 22018: Apr 272019: Apr 162020: May 102021: May 122022: May 22023: May 12024: Apr 21

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Oct 171952: Oct 61953: Oct 41954: Oct 151955: Oct 211956: Oct 261957: Oct 241958: Oct 11959: Oct 111960: Oct 191961: Sep 251962: Oct 251963: Nov 11964: Oct 51965: Oct 211966: Oct 141967: Sep 271968: Oct 221969: Oct 121970: Oct 71971: Oct 281972: Oct 181973: Oct 281974: Oct 151975: Oct 171976: Sep 281977: Oct 111978: Oct 61979: Oct 311980: Oct 171981: Oct 221982: Oct 111985: Sep 261986: Oct 121987: Oct 101988: Oct 51989: Oct 171990: Oct 81992: Oct 151993: Oct 91994: Oct 251995: Sep 211996: Oct 41997: Oct 201998: Oct 181999: Sep 302000: Sep 252001: Oct 62002: Oct 132003: Oct 152004: Oct 142005: Sep 292006: Sep 292008: Oct 232009: Oct 32010: Oct 132011: Oct 192012: Oct 72013: Oct 162014: Oct 282015: Oct 162016: Oct 72017: Oct 112018: Oct 112019: Oct 112020: Oct 132021: Oct 152022: Oct 152023: Oct 72024: Oct 142025: Oct 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
2025no dataOct 19no dataOct 21
2024Apr 21Oct 14Apr 11Oct 31
2023May 1Oct 7Apr 24Oct 7
2022May 2Oct 15Apr 26Oct 18
2021May 12Oct 15Apr 22Nov 9
2020May 10Oct 13Apr 18Oct 23
2019Apr 16Oct 11Apr 15Oct 11
2018Apr 27Oct 11Apr 20Oct 11
2017May 2Oct 11May 1Oct 27
2016Apr 12Oct 7Apr 2Oct 7
2015Apr 24Oct 16Apr 11Oct 29
2014May 15Oct 28May 3Oct 31
2013May 6Oct 16May 5Nov 2
2012Apr 17Oct 7Mar 20Oct 7
2011May 17Oct 19Apr 17Oct 20
2010May 3Oct 13Apr 4Oct 29
2009Apr 12Oct 3Apr 11Oct 4
2008May 14Oct 23May 12Oct 25
2007Apr 27no dataApr 16no data
2006May 12Sep 29Apr 27Oct 19
2005May 4Sep 29May 3Oct 7
2004May 15Oct 14Apr 14Nov 2
2003Apr 22Oct 15Apr 11Oct 16
2002May 10Oct 13May 2Oct 17
2001Apr 23Oct 6Apr 18Oct 6
2000May 14Sep 25Apr 22Oct 7
1999Apr 19Sep 30Apr 18Oct 17
1998May 4Oct 18May 1Oct 22
1997May 10Oct 20May 9Oct 25
1996Apr 30Oct 4Apr 23Oct 18
1995Apr 28Sep 21Apr 28Sep 22
1994May 1Oct 25May 1Oct 25
1993May 3Oct 9Apr 17Oct 27
1992no dataOct 15no dataOct 16
1991May 5no dataApr 15no data
1990May 11Oct 8Apr 12Nov 5
1989May 6Oct 17May 1Oct 20
1988no dataOct 5no dataOct 5
1987Apr 22Oct 10Apr 22Oct 21
1986Apr 17Oct 12Apr 16Oct 12
1985Apr 9Sep 26Apr 1Sep 29
1983May 15no dataApr 15no data
1982no dataOct 11no dataOct 20
1981May 10Oct 22Mar 23Oct 23
1980Apr 14Oct 17Apr 14Oct 24
1979May 11Oct 31May 11Nov 1
1978Apr 25Oct 6Apr 21Nov 11
1977Apr 5Oct 11Apr 5Oct 11
1976Apr 4Sep 28Apr 3Oct 16
1975Apr 19Oct 17Apr 3Oct 25
1974Apr 16Oct 15Apr 16Nov 5
1973Apr 27Oct 28Apr 16Oct 28
1972Apr 4Oct 18Apr 4Oct 19
1971May 12Oct 28Apr 6Oct 29
1970May 1Oct 7Apr 12Oct 8
1969Apr 28Oct 12Apr 28Oct 12
1968Apr 23Oct 22Apr 14Oct 24
1967May 4Sep 27May 2Oct 27
1966May 13Oct 14Apr 21Oct 15
1965Apr 28Oct 21Apr 25Nov 4
1964Apr 18Oct 5Apr 8Oct 19
1963Apr 23Nov 1Apr 3Nov 1
1962Apr 13Oct 25Apr 3Nov 2
1961Apr 28Sep 25Apr 17Oct 23
1960Apr 30Oct 19Apr 3Nov 5
1959Apr 22Oct 11Apr 22Oct 17
1958Apr 29Oct 1Apr 24Oct 24
1957Apr 14Oct 24Apr 14Oct 25
1956Apr 30Oct 26Apr 29Nov 3
1955Apr 28Oct 21Apr 7Oct 30
1954May 3Oct 15May 3Oct 27
1953May 14Oct 4May 14Oct 26
1952May 11Oct 6Apr 14Oct 6
1951May 7Oct 17Apr 22Oct 17

"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.