Horton, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00143810, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,032 ft, 39.668, -95.520. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 22	Oct 12
Earliest	Mar 11 (2012)	Sep 19 (1991)
Latest	May 16 (1985)	Nov 11 (1998)
Trend	1.3 days earlier per decade	0.8 days later per decade
Years with data	68	69

At 28°F (hard freeze) the median last spring date is Apr 9 and the median first fall date is Oct 26.

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)

First fall frost (32°F)

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

Year	Last spring 32°F	First fall 32°F	Last spring 28°F	First fall 28°F
2025	Apr 9	Oct 22	Apr 9	Nov 2
2024	Apr 20	Oct 16	Mar 27	Oct 16
2023	Apr 23	Oct 17	Apr 23	Oct 28
2022	Apr 26	Oct 8	Apr 26	Oct 8
2021	Apr 23	Oct 22	Apr 23	Nov 13
2020	May 9	Oct 16	Apr 16	Oct 26
2019	Apr 13	Oct 12	Apr 13	Oct 12
2018	Apr 26	Oct 15	Apr 19	Oct 15
2017	Mar 18	Oct 28	Mar 16	Oct 28
2016	Apr 12	Nov 9	Apr 12	Nov 11
2015	Apr 22	Oct 4	Apr 4	Oct 25
2014	Apr 19	Oct 31	Apr 15	Nov 1
2013	Apr 26	Oct 19	Apr 25	Oct 25
2012	Mar 11	Oct 6	Mar 10	Oct 7
2011	Apr 5	Oct 19	Apr 5	Oct 22
2010	Mar 30	Oct 28	Mar 23	Nov 5
2009	Apr 15	Oct 10	Apr 8	Nov 4
2008	no data	Oct 27	no data	Oct 28
2002	Apr 25	no data	Apr 4	no data
2001	Apr 18	Oct 6	Apr 18	Oct 27
2000	Apr 12	Oct 7	Apr 12	Oct 7
1999	Apr 18	Oct 4	Mar 28	Oct 4
1998	Apr 18	Nov 11	Mar 21	Nov 20
1997	May 13	Oct 26	Apr 14	Oct 27
1996	Apr 23	Oct 22	Apr 8	Nov 1
1995	Apr 22	Sep 22	Apr 4	Oct 21
1994	Apr 29	Oct 25	Apr 7	Oct 26
1993	Apr 9	Oct 10	Apr 5	Oct 30
1992	no data	Oct 11	no data	Nov 6
1991	Apr 10	Sep 19	Mar 30	Oct 19
1990	Apr 30	Oct 10	Apr 14	Oct 25
1989	May 7	Sep 24	Apr 19	Oct 20
1988	Apr 28	Oct 7	Apr 16	Oct 26
1987	Apr 12	Oct 3	Apr 5	Oct 11
1986	Apr 22	Oct 14	Apr 22	Nov 9
1985	May 16	Oct 1	Apr 9	Nov 7
1984	Apr 23	Sep 29	Apr 23	Sep 30
1983	Apr 19	Sep 23	Apr 18	Nov 11
1982	Apr 23	Oct 14	Apr 21	Oct 21
1981	May 11	Oct 19	Mar 23	Oct 23
1980	May 9	Oct 12	Mar 21	Oct 26
1979	Apr 28	Oct 5	Apr 6	Oct 13
1978	Apr 21	Oct 7	Mar 27	Oct 26
1977	Apr 6	Oct 9	Mar 22	Nov 11
1976	May 3	Oct 6	May 3	Oct 8
1975	Apr 20	Oct 16	Apr 12	Oct 25
1974	Apr 17	Oct 1	Apr 6	Nov 6
1973	Apr 13	Oct 29	Apr 11	Nov 5
1972	Apr 25	Sep 30	Apr 8	Oct 19
1971	Apr 10	Oct 10	Apr 7	Oct 31
1970	May 2	Oct 10	Apr 9	Oct 31
1969	Apr 6	Oct 14	Mar 30	Oct 14
1968	Apr 10	Oct 25	Apr 5	Nov 9
1967	May 2	Oct 11	Apr 24	Oct 28
1966	Apr 28	Oct 10	Apr 21	Oct 16
1965	Apr 28	Oct 12	Mar 31	Oct 24
1964	Apr 9	Oct 5	Apr 9	Oct 9
1963	May 1	Oct 29	Mar 22	Oct 29
1962	Apr 18	Oct 24	Apr 15	Oct 24
1961	May 2	Oct 20	May 2	Oct 20
1960	May 12	Oct 20	Apr 10	Oct 20
1959	Apr 22	Oct 9	Mar 22	Oct 18
1958	Apr 29	Oct 1	Apr 29	Oct 28
1957	Apr 14	Oct 25	Apr 14	Oct 26
1956	Apr 29	Oct 26	Apr 24	Nov 8
1955	Apr 9	Oct 13	Apr 8	Oct 31
1954	May 4	Oct 28	Apr 4	Oct 30
1953	Apr 27	Oct 7	Apr 20	Oct 27
1952	Apr 16	Oct 6	Apr 15	Oct 6
1951	Apr 23	Sep 28	Apr 17	Oct 24

"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.