Last Frost Day

Frost history / Topeka Muni Ap, KS

Topeka Muni Ap, KS: frost dates by year

Last spring and first fall frost at NOAA station USW00013996, 1951 to 2024, measured from daily minimum temperatures.

Elevation 876 ft, 39.072, -95.626. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 16Oct 16
EarliestMar 9 (2012)Sep 22 (1995)
LatestMay 11 (1981)Nov 11 (1998)
Trend1.6 days earlier per decade0.9 days later per decade
Years with data7474

At 28°F (hard freeze) the median last spring date is Apr 4 and the median first fall date is Oct 29.

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: Apr 201954: May 41955: Apr 81956: Apr 241957: Apr 131958: Apr 291959: Apr 221960: May 11961: May 21962: Apr 161963: May 11964: Apr 91965: Apr 281966: Apr 211967: Apr 271968: Apr 241969: Mar 311970: Apr 91971: May 31972: Apr 81973: Apr 131974: Apr 151975: Apr 121976: May 31977: Apr 31978: Apr 211979: Apr 281980: May 91981: May 111982: Apr 231983: Apr 151984: Apr 181985: Apr 91986: Apr 221987: Apr 121988: Apr 191989: May 71990: Apr 141991: Mar 301992: Apr 221993: Apr 91994: May 11995: Apr 131996: Apr 161997: Apr 171998: Apr 181999: Apr 182000: Apr 122001: Apr 172002: Apr 52003: Apr 102004: May 32005: May 32006: Apr 42007: Apr 152008: Apr 142009: Apr 142010: Mar 292011: Apr 52012: Mar 92013: Apr 252014: Apr 182015: Apr 42016: Apr 122017: Apr 72018: Apr 162019: Apr 132020: Apr 152021: Apr 222022: Apr 192023: Apr 232024: Apr 5

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Oct 311952: Oct 61953: Oct 291954: Oct 301955: Oct 241956: Oct 261957: Oct 181958: Oct 11959: Oct 181960: Oct 191961: Oct 201962: Oct 251963: Oct 291964: Oct 51965: Oct 121966: Oct 101967: Oct 191968: Oct 41969: Oct 141970: Oct 161971: Oct 101972: Sep 301973: Oct 291974: Oct 11975: Sep 261976: Oct 81977: Oct 91978: Oct 71979: Oct 51980: Oct 121981: Oct 191982: Oct 141983: Sep 231984: Sep 291985: Oct 11986: Nov 91987: Oct 31988: Oct 121989: Sep 241990: Oct 221991: Oct 61992: Oct 111993: Oct 101994: Oct 251995: Sep 221996: Oct 221997: Oct 261998: Nov 111999: Oct 42000: Oct 72001: Oct 262002: Oct 202003: Oct 262004: Oct 22005: Oct 242006: Oct 122007: Oct 282008: Oct 272009: Oct 102010: Oct 292011: Oct 192012: Oct 72013: Oct 192014: Oct 292015: Oct 292016: Nov 92017: Oct 272018: Oct 152019: Oct 112020: Oct 162021: Oct 302022: Oct 182023: Oct 282024: 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 27Nov 22
2023Apr 23Oct 28Mar 27Oct 30
2022Apr 19Oct 18Apr 9Oct 18
2021Apr 22Oct 30Apr 22Nov 13
2020Apr 15Oct 16Apr 10Oct 26
2019Apr 13Oct 11Mar 31Oct 31
2018Apr 16Oct 15Apr 15Oct 16
2017Apr 7Oct 27Mar 15Oct 28
2016Apr 12Nov 9Mar 25Nov 19
2015Apr 4Oct 29Mar 6Nov 13
2014Apr 18Oct 29Apr 15Nov 1
2013Apr 25Oct 19Apr 2Oct 27
2012Mar 9Oct 7Mar 9Oct 7
2011Apr 5Oct 19Mar 30Oct 20
2010Mar 29Oct 29Mar 22Nov 5
2009Apr 14Oct 10Apr 7Nov 26
2008Apr 14Oct 27Apr 14Oct 27
2007Apr 15Oct 28Apr 9Nov 1
2006Apr 4Oct 12Mar 25Oct 13
2005May 3Oct 24Apr 2Oct 25
2004May 3Oct 2Mar 12Nov 13
2003Apr 10Oct 26Apr 10Nov 6
2002Apr 5Oct 20Apr 4Nov 1
2001Apr 17Oct 26Mar 27Oct 27
2000Apr 12Oct 7Mar 28Oct 7
1999Apr 18Oct 4Mar 26Oct 24
1998Apr 18Nov 11Mar 21Nov 20
1997Apr 17Oct 26Apr 14Oct 27
1996Apr 16Oct 22Apr 6Nov 2
1995Apr 13Sep 22Mar 31Oct 21
1994May 1Oct 25Apr 7Oct 26
1993Apr 9Oct 10Apr 5Oct 29
1992Apr 22Oct 11Apr 2Nov 26
1991Mar 30Oct 6Mar 30Oct 19
1990Apr 14Oct 22Apr 14Nov 7
1989May 7Sep 24Apr 19Oct 19
1988Apr 19Oct 12Mar 18Oct 28
1987Apr 12Oct 3Apr 5Oct 21
1986Apr 22Nov 9Apr 22Nov 10
1985Apr 9Oct 1Apr 9Nov 7
1984Apr 18Sep 29Mar 20Nov 2
1983Apr 15Sep 23Mar 22Nov 16
1982Apr 23Oct 14Apr 21Oct 21
1981May 11Oct 19Mar 23Oct 23
1980May 9Oct 12Mar 21Oct 12
1979Apr 28Oct 5Apr 6Nov 2
1978Apr 21Oct 7Apr 21Nov 7
1977Apr 3Oct 9Mar 22Nov 10
1976May 3Oct 8Apr 1Oct 8
1975Apr 12Sep 26Apr 3Oct 25
1974Apr 15Oct 1Mar 25Nov 14
1973Apr 13Oct 29Apr 11Nov 5
1972Apr 8Sep 30Apr 4Oct 19
1971May 3Oct 10Apr 7Nov 6
1970Apr 9Oct 16Apr 5Nov 14
1969Mar 31Oct 14Mar 30Oct 14
1968Apr 24Oct 4Apr 5Nov 4
1967Apr 27Oct 19Apr 24Oct 28
1966Apr 21Oct 10Apr 21Oct 16
1965Apr 28Oct 12Mar 30Oct 12
1964Apr 9Oct 5Apr 9Oct 9
1963May 1Oct 29May 1Oct 29
1962Apr 16Oct 25Apr 13Oct 25
1961May 2Oct 20Apr 13Oct 20
1960May 1Oct 19Mar 26Oct 20
1959Apr 22Oct 18Apr 9Nov 5
1958Apr 29Oct 1Mar 31Nov 6
1957Apr 13Oct 18Apr 13Oct 25
1956Apr 24Oct 26Apr 24Nov 8
1955Apr 8Oct 24Mar 28Nov 2
1954May 4Oct 30Apr 3Oct 30
1953Apr 20Oct 29Apr 20Nov 8
1952Apr 15Oct 6Apr 10Oct 6
1951Apr 23Oct 31Apr 16Nov 1

"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.