Steffenville, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00238051, 1951 to 2025, measured from daily minimum temperatures.

Elevation 705 ft, 39.970, -91.888. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 18	Oct 14
Earliest	Mar 27 (1999)	Sep 19 (1991)
Latest	May 10 (1990)	Nov 12 (2016)
Trend	1.1 days earlier per decade	1.4 days later per decade
Years with data	68	72

At 28°F (hard freeze) the median last spring date is Apr 6 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)

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