Last Frost Day

Frost history / Oberlin, KS

Oberlin, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00145906, 1951 to 2019, measured from daily minimum temperatures.

Elevation 2,586 ft, 39.823, -100.516. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 4Oct 5
EarliestApr 12 (2009)Sep 3 (1974)
LatestMay 30 (1992)Oct 28 (1963)
Trend0.5 days later per decadelittle change (less than half a day per decade)
Years with data6464

At 28°F (hard freeze) the median last spring date is Apr 22 and the median first fall date is Oct 18.

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 31Apr 15Apr 30May 15May 30Jun 141960197019801990200020101951: May 71952: May 111953: May 141954: May 41955: Apr 281956: Apr 301957: Apr 141958: Apr 281959: Apr 221960: May 11961: Apr 281962: May 11963: May 221964: May 131965: Apr 281966: May 241967: May 151968: May 171969: Apr 281970: May 31971: Apr 271972: Apr 241973: May 151974: Apr 161975: Apr 191976: May 71977: Apr 221978: May 41979: May 111980: May 81981: May 111982: May 61983: May 191986: Apr 161987: Apr 231988: Apr 281989: May 71990: May 111991: May 61992: May 301993: May 41994: May 11995: Apr 281996: May 31998: May 11999: Apr 192000: May 132001: Apr 232002: May 252004: May 152005: May 42006: May 172007: Apr 162008: May 122009: Apr 122010: May 82011: May 172012: May 102013: May 72014: May 162015: May 212017: May 12018: Apr 232019: May 10

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Sep 281952: Oct 61953: Oct 41954: Oct 151955: Oct 71956: Oct 211957: Oct 241958: Oct 11959: Oct 111960: Oct 191961: Sep 251962: Oct 181963: Oct 281964: Sep 271965: Sep 241966: Oct 11967: Sep 271968: Oct 61969: Oct 61970: Sep 261971: Sep 191972: Oct 181973: Oct 121974: Sep 31975: Oct 11976: Sep 281977: Oct 91978: Sep 211979: Oct 231980: Oct 31981: Sep 171982: Sep 201986: Oct 121987: Oct 111989: Sep 231990: Sep 231991: Oct 51992: Oct 81993: Sep 281994: Sep 241995: Sep 211996: Sep 271997: Oct 251998: Oct 131999: Oct 32000: Sep 252001: Oct 62003: Sep 192004: Oct 142005: Sep 292006: Oct 112007: Oct 232008: Oct 162009: Oct 32010: Oct 132011: Sep 222012: Oct 22013: Oct 162014: Sep 132015: Oct 162016: Oct 62017: Oct 112018: Oct 112019: Oct 11

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
2019May 10Oct 11Apr 14Oct 11
2018Apr 23Oct 11Apr 20Oct 11
2017May 1Oct 11Apr 10Oct 27
2016no dataOct 6no dataNov 8
2015May 21Oct 16Apr 22Oct 16
2014May 16Sep 13May 2Oct 28
2013May 7Oct 16May 5Oct 19
2012May 10Oct 2Apr 8Oct 7
2011May 17Sep 22May 3Oct 20
2010May 8Oct 13Apr 18Oct 29
2009Apr 12Oct 3Apr 9Oct 3
2008May 12Oct 16Apr 29Oct 27
2007Apr 16Oct 23Apr 15Nov 1
2006May 17Oct 11May 16Oct 18
2005May 4Sep 29May 3Oct 7
2004May 15Oct 14Apr 14Nov 2
2003no dataSep 19no dataOct 26
2002May 25no dataApr 26no data
2001Apr 23Oct 6Apr 18Oct 17
2000May 13Sep 25Apr 30Oct 7
1999Apr 19Oct 3Apr 18Oct 17
1998May 1Oct 13Apr 18Oct 22
1997no dataOct 25no dataOct 25
1996May 3Sep 27Apr 15Oct 18
1995Apr 28Sep 21Apr 28Sep 22
1994May 1Sep 24Apr 30Oct 23
1993May 4Sep 28Apr 17Oct 21
1992May 30Oct 8May 26Oct 16
1991May 6Oct 5May 2Oct 6
1990May 11Sep 23Apr 12Oct 10
1989May 7Sep 23May 7Oct 18
1988Apr 28no dataApr 28no data
1987Apr 23Oct 11Apr 5Oct 11
1986Apr 16Oct 12Apr 14Oct 12
1983May 19no dataMay 19no data
1982May 6Sep 20Apr 22Oct 9
1981May 11Sep 17May 10Oct 19
1980May 8Oct 3Apr 15Oct 11
1979May 11Oct 23May 11Nov 1
1978May 4Sep 21Apr 20Oct 6
1977Apr 22Oct 9Apr 5Oct 12
1976May 7Sep 28May 7Oct 16
1975Apr 19Oct 1Apr 12Oct 1
1974Apr 16Sep 3Apr 16Oct 15
1973May 15Oct 12Apr 16Oct 28
1972Apr 24Oct 18Apr 9Oct 19
1971Apr 27Sep 19Apr 6Oct 29
1970May 3Sep 26Apr 23Oct 9
1969Apr 28Oct 6Apr 28Oct 13
1968May 17Oct 6Apr 24Oct 24
1967May 15Sep 27May 2Oct 10
1966May 24Oct 1May 13Oct 1
1965Apr 28Sep 24Apr 28Nov 4
1964May 13Sep 27May 13Oct 5
1963May 22Oct 28Apr 4Nov 1
1962May 1Oct 18Apr 5Oct 25
1961Apr 28Sep 25Apr 17Oct 19
1960May 1Oct 19Apr 30Oct 19
1959Apr 22Oct 11Apr 22Oct 11
1958Apr 28Oct 1Apr 24Oct 1
1957Apr 14Oct 24Apr 12Oct 25
1956Apr 30Oct 21Apr 29Oct 21
1955Apr 28Oct 7Apr 7Oct 24
1954May 4Oct 15May 3Oct 22
1953May 14Oct 4May 14Oct 4
1952May 11Oct 6Apr 14Oct 6
1951May 7Sep 28May 7Oct 19

"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.