Last Frost Day

Frost history / Herington, KS

Herington, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00143594, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,338 ft, 38.666, -96.949. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 20Oct 15
EarliestMar 28 (2006)Sep 21 (1982)
LatestMay 17 (2014)Nov 11 (1998)
Trend0.6 days later per decade1.1 days earlier per decade
Years with data7374

At 28°F (hard freeze) the median last spring date is Apr 11 and the median first fall date is Oct 27.

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: Apr 171952: Apr 151953: Apr 201954: May 41955: Apr 71956: Apr 241957: Apr 131958: Apr 291959: Apr 131960: Apr 91961: Apr 181962: Apr 151963: Apr 41964: Apr 91965: Apr 281966: Apr 281967: May 31968: Apr 51969: Mar 301970: Apr 211971: Apr 71972: Apr 81973: May 151974: Apr 161975: Apr 121976: May 31977: Apr 251978: Apr 211979: May 111980: May 81981: May 111982: Apr 221983: May 81984: May 81985: Apr 81986: Apr 221987: Apr 51988: Apr 271989: Apr 191990: Apr 121991: Mar 301992: May 61994: May 11995: May 21996: Apr 301997: Apr 171998: Apr 171999: Apr 42000: Apr 212001: Apr 182002: Apr 252003: Apr 102004: May 32005: May 32006: Mar 282007: Apr 152008: May 42009: Apr 152010: Apr 82011: May 162012: Apr 232013: May 32014: May 172015: Apr 102016: Apr 122017: Apr 272018: Apr 262019: Apr 142020: Apr 182022: Apr 262023: May 32024: Apr 122025: Apr 15

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Oct 271952: Oct 61953: Oct 271954: Oct 301955: Oct 241956: Nov 81957: Oct 251958: Oct 281959: Oct 271960: Oct 201961: Nov 21962: Oct 251963: Nov 11964: Oct 91965: Oct 241966: Oct 161967: Oct 281968: Nov 81969: Oct 141970: Oct 91971: Oct 101972: Oct 191973: Oct 291974: Oct 151975: Sep 221976: Oct 81977: Oct 111978: Oct 61979: Oct 101980: Oct 31981: Oct 191982: Sep 211983: Sep 231984: Sep 301985: Oct 11986: Nov 51987: Oct 31988: Oct 191989: Sep 241990: Oct 101992: Oct 71993: Oct 101994: Oct 91995: Sep 221996: Oct 221997: Oct 271998: Nov 111999: Oct 42000: Oct 72001: Oct 162002: Oct 132003: Oct 172004: Oct 22005: Oct 222006: Oct 132007: Oct 232008: Oct 162009: Oct 102010: Oct 32011: Oct 202012: Oct 72013: Oct 192014: Oct 152015: Oct 162016: Nov 92017: Oct 112018: Oct 152019: Oct 112020: Oct 22021: Oct 302022: Oct 172023: Oct 72024: Oct 142025: Oct 30

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 15Oct 30Apr 15Oct 30
2024Apr 12Oct 14Mar 28Oct 16
2023May 3Oct 7Apr 23Oct 28
2022Apr 26Oct 17Apr 26Oct 18
2021no dataOct 30no dataNov 13
2020Apr 18Oct 2Apr 15Oct 26
2019Apr 14Oct 11Apr 13Oct 12
2018Apr 26Oct 15Apr 19Oct 15
2017Apr 27Oct 11Mar 16Oct 28
2016Apr 12Nov 9Apr 8Nov 9
2015Apr 10Oct 16Apr 4Oct 30
2014May 17Oct 15Apr 16Nov 1
2013May 3Oct 19Apr 24Oct 19
2012Apr 23Oct 7Mar 9Oct 7
2011May 16Oct 20Mar 30Oct 20
2010Apr 8Oct 3Apr 8Nov 5
2009Apr 15Oct 10Apr 11Nov 3
2008May 4Oct 16Apr 15Oct 28
2007Apr 15Oct 23Apr 15Nov 1
2006Mar 28Oct 13Mar 25Oct 13
2005May 3Oct 22May 3Oct 22
2004May 3Oct 2Apr 12Nov 5
2003Apr 10Oct 17Apr 10Oct 26
2002Apr 25Oct 13Apr 4Nov 4
2001Apr 18Oct 16Apr 18Oct 26
2000Apr 21Oct 7Apr 8Oct 7
1999Apr 4Oct 4Mar 26Oct 4
1998Apr 17Nov 11Apr 17Nov 11
1997Apr 17Oct 27Apr 14Oct 27
1996Apr 30Oct 22Apr 23Oct 31
1995May 2Sep 22Mar 31Sep 22
1994May 1Oct 9May 1Oct 25
1993no dataOct 10no dataOct 21
1992May 6Oct 7Apr 3Nov 5
1991Mar 30no dataMar 30no data
1990Apr 12Oct 10Apr 12Oct 10
1989Apr 19Sep 24Apr 11Oct 18
1988Apr 27Oct 19Apr 11Oct 28
1987Apr 5Oct 3Apr 5Oct 21
1986Apr 22Nov 5Apr 22Nov 9
1985Apr 8Oct 1Apr 8Oct 1
1984May 8Sep 30Apr 5Nov 2
1983May 8Sep 23Apr 15Nov 11
1982Apr 22Sep 21Apr 22Oct 20
1981May 11Oct 19Mar 23Oct 23
1980May 8Oct 3Apr 15Oct 29
1979May 11Oct 10Apr 9Nov 2
1978Apr 21Oct 6Apr 21Oct 26
1977Apr 25Oct 11Mar 31Oct 12
1976May 3Oct 8May 3Oct 8
1975Apr 12Sep 22Apr 12Oct 18
1974Apr 16Oct 15Apr 5Oct 15
1973May 15Oct 29Apr 10Oct 29
1972Apr 8Oct 19Apr 4Oct 19
1971Apr 7Oct 10Apr 7Nov 6
1970Apr 21Oct 9Apr 5Oct 16
1969Mar 30Oct 14Mar 30Oct 14
1968Apr 5Nov 8Apr 5Nov 8
1967May 3Oct 28Apr 24Nov 4
1966Apr 28Oct 16Apr 21Oct 16
1965Apr 28Oct 24Mar 30Nov 9
1964Apr 9Oct 9Apr 8Oct 9
1963Apr 4Nov 1Mar 21Nov 13
1962Apr 15Oct 25Apr 13Nov 5
1961Apr 18Nov 2Apr 16Nov 3
1960Apr 9Oct 20Mar 25Oct 20
1959Apr 13Oct 27Apr 13Oct 27
1958Apr 29Oct 28Mar 21Nov 18
1957Apr 13Oct 25Apr 13Oct 26
1956Apr 24Nov 8Apr 24Nov 8
1955Apr 7Oct 24Apr 7Nov 3
1954May 4Oct 30Apr 3Oct 30
1953Apr 20Oct 27Apr 20Nov 6
1952Apr 15Oct 6Apr 11Oct 6
1951Apr 17Oct 27Apr 16Oct 31

"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.