Last Frost Day

Frost history / Cottonwood Falls, KS

Cottonwood Falls, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00141858, 1951 to 2024, measured from daily minimum temperatures.

Elevation 1,232 ft, 38.370, -96.548. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 16Oct 17
EarliestMar 10 (2012)Sep 23 (1983)
LatestMay 14 (1953)Nov 11 (1998)
Trend1.0 days earlier per decade0.7 days later per decade
Years with data7373

At 28°F (hard freeze) the median last spring date is Apr 5 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 1Mar 16Mar 31Apr 15Apr 30May 15May 3019601970198019902000201020201951: Apr 231952: Apr 151953: May 141954: May 41955: Apr 81956: Apr 241957: Apr 141958: Apr 121959: Apr 221960: Apr 91961: May 21962: Apr 161963: May 11964: Apr 91965: Apr 281966: Apr 211967: May 21968: Apr 241969: Mar 311970: Apr 51971: Apr 141972: Apr 41973: Apr 111974: Apr 161975: Apr 121976: May 31977: Apr 51978: Apr 211979: Apr 281980: Apr 151981: May 111982: Apr 211983: Apr 201984: Apr 181985: Apr 91986: Apr 221987: Apr 51988: Apr 271989: Apr 191990: Apr 141991: Apr 101992: Apr 21993: Apr 91994: May 11995: Apr 271996: Apr 151997: Apr 141998: Apr 171999: Mar 262000: Apr 82001: Apr 182002: Apr 92004: Apr 122005: May 32006: Apr 42007: Apr 162008: Apr 152009: Apr 122010: Mar 292011: Apr 52012: Mar 102013: May 32014: May 22015: Apr 52016: Apr 132017: Apr 282018: Apr 212019: Apr 132020: Apr 182021: Apr 222022: Apr 262023: Apr 242024: Apr 5

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Oct 241952: Oct 61953: Oct 71954: Oct 301955: Oct 241956: Oct 261957: Oct 251958: Oct 11959: Oct 181960: Oct 201961: Oct 201962: Oct 251963: Oct 291964: Oct 61965: Oct 121966: Oct 161967: Oct 191968: Oct 41969: Oct 141970: Oct 161971: Oct 101972: Oct 191973: Oct 291974: Oct 151975: Oct 161976: Oct 81977: Oct 121978: Oct 71979: Oct 101980: Oct 121981: Oct 191982: Oct 201983: Sep 231984: Oct 171985: Oct 11986: Nov 91987: Oct 31988: Oct 121989: Sep 241990: Oct 101991: Oct 61992: Oct 171993: Oct 101994: Oct 251996: Oct 221997: Oct 271998: Nov 111999: Oct 42000: Oct 72001: Oct 162002: Oct 132003: Oct 262004: Nov 52005: Oct 242006: Oct 132007: Nov 12008: Oct 272009: Oct 102010: Oct 292011: Oct 202012: Oct 72013: Oct 192014: Oct 292015: Oct 252016: Nov 102017: Oct 282018: Oct 152019: Oct 112020: Oct 22021: Oct 302022: Oct 172023: Oct 172024: Oct 16

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