Wilson Lake, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00148946, 1965 to 2025, measured from daily minimum temperatures.

Elevation 1,512 ft, 38.967, -98.489. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 20	Oct 16
Earliest	Mar 26 (2010)	Sep 19 (1991)
Latest	May 15 (1973)	Nov 10 (2025)
Trend	0.9 days earlier per decade	little change (less than half a day per decade)
Years with data	57	60

At 28°F (hard freeze) the median last spring date is Apr 11 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 15	Nov 10	Apr 6	Nov 10
2024	Apr 8	Oct 16	Apr 4	Oct 16
2023	Apr 24	Oct 7	Apr 24	Oct 29
2022	Apr 27	Oct 18	Mar 31	Oct 18
2021	Apr 22	Oct 30	Apr 21	Nov 13
2020	Apr 18	Oct 24	Apr 16	Oct 26
2019	Apr 28	Oct 11	Apr 14	Oct 11
2018	Apr 20	Oct 11	Apr 17	Oct 15
2017	Apr 28	Oct 11	Apr 28	Oct 27
2016	Apr 13	Oct 13	Mar 27	Nov 13
2015	Mar 29	Oct 29	Mar 26	Nov 22
2014	May 2	Oct 29	Apr 16	Nov 1
2013	Apr 26	Oct 19	Apr 24	Nov 12
2012	Apr 23	Oct 7	Mar 10	Oct 10
2011	Apr 27	Oct 20	Apr 27	Oct 20
2010	Mar 26	Oct 3	Mar 23	Nov 5
2009	no data	Oct 10	no data	Oct 11
2008	Apr 27	Oct 27	Apr 15	Oct 27
2007	Apr 13	Oct 25	Apr 11	Oct 26
2006	Apr 8	Oct 13	Mar 26	Oct 19
2005	no data	Oct 8	no data	Oct 23
2004	Apr 14	Oct 2	Apr 13	Oct 14
2003	Apr 10	Oct 26	Apr 10	Oct 26
2002	Apr 25	Oct 13	Apr 4	Oct 31
2001	Apr 18	Oct 26	Apr 17	Oct 26
2000	Apr 22	no data	Apr 18	no data
1999	Apr 16	Oct 4	Apr 5	Oct 4
1998	Apr 18	Nov 5	Mar 21	Dec 7
1997	no data	Oct 21	no data	Oct 26
1996	Apr 15	Oct 31	Apr 14	Oct 31
1995	Apr 19	Sep 22	Apr 12	Oct 21
1994	Apr 30	Oct 25	Apr 29	Oct 25
1993	no data	Oct 10	no data	Oct 27
1992	Apr 26	Oct 9	Apr 22	Oct 15
1991	May 6	Sep 19	Apr 1	Oct 6
1990	May 3	Oct 10	Apr 12	Nov 5
1989	Apr 19	Oct 18	Apr 11	Oct 18
1988	Apr 28	Oct 28	Apr 27	Oct 28
1987	Apr 6	Oct 17	Apr 4	Oct 21
1986	Apr 22	Oct 13	Apr 14	Nov 9
1985	Apr 8	Sep 30	Apr 8	Oct 1
1984	Apr 18	Sep 26	Mar 30	Sep 30
1983	Apr 18	Nov 10	Apr 18	Nov 10
1982	Apr 22	Oct 16	Apr 21	Oct 21
1981	May 11	Oct 19	Mar 24	Oct 23
1980	May 8	Oct 19	Apr 14	Oct 25
1979	Apr 14	Oct 22	Apr 9	Nov 3
1978	Apr 21	Oct 7	Apr 21	Oct 14
1977	Apr 5	Oct 12	Mar 31	Nov 10
1976	May 3	Oct 16	May 3	Oct 17
1975	Apr 12	Oct 1	Apr 4	Oct 18
1974	Apr 16	Nov 6	Apr 4	Nov 6
1973	May 15	Oct 29	Apr 11	Oct 29
1972	Apr 9	Oct 7	Apr 8	Oct 19
1971	Apr 14	Oct 30	Apr 7	Oct 30
1970	Apr 14	Oct 9	Apr 14	Nov 15
1969	Apr 19	Oct 14	Mar 31	Oct 14
1968	Apr 24	Oct 28	Apr 5	Nov 11
1967	May 2	Oct 27	Apr 24	Nov 3
1966	Apr 28	Oct 16	Apr 21	Oct 16
1965	Apr 28	Oct 24	Mar 30	Nov 9

"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.