Cherokee, IA: frost dates by year

Last spring and first fall frost at NOAA station USC00131442, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,210 ft, 42.757, -95.538. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 4	Oct 1
Earliest	Apr 10 (1985)	Sep 3 (1974)
Latest	May 24 (1979)	Oct 28 (1963)
Trend	0.5 days earlier per decade	0.8 days later per decade
Years with data	73	74

At 28°F (hard freeze) the median last spring date is Apr 27 and the median first fall date is Oct 10.

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

"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.