Ozark Beach, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00236460, 1951 to 2025, measured from daily minimum temperatures.

Elevation 834 ft, 36.674, -93.108. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 15	Oct 25
Earliest	Mar 11 (2012)	Sep 23 (1995)
Latest	May 14 (2021)	Nov 27 (2009)
Trend	0.8 days earlier per decade	1.1 days later per decade
Years with data	68	70

At 28°F (hard freeze) the median last spring date is Apr 2 and the median first fall date is Nov 4.

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 17	Nov 1	Mar 22	Nov 2
2024	Apr 22	Oct 16	Mar 28	Oct 16
2023	Apr 24	Oct 30	Apr 24	Oct 31
2022	Apr 19	Oct 18	Apr 9	Oct 18
2021	May 14	Nov 5	Apr 21	Nov 5
2020	Apr 19	Oct 16	Mar 7	Nov 2
2019	Apr 3	Oct 12	Apr 2	Nov 1
2018	Apr 20	Oct 21	Apr 7	Nov 10
2017	Apr 7	Oct 28	Mar 17	Oct 29
2016	no data	Nov 13	no data	Nov 20
2014	Apr 16	Nov 11	Mar 27	Nov 13
2013	Apr 26	Oct 25	Mar 28	Nov 12
2012	Mar 11	Oct 28	Mar 5	Nov 13
2011	Apr 6	Oct 29	Mar 12	Nov 17
2010	Mar 27	Oct 29	Mar 5	Nov 6
2009	Apr 9	Nov 27	Mar 5	Dec 1
2008	Apr 15	Oct 28	Mar 25	Oct 28
2007	Apr 9	Oct 30	Apr 9	Nov 7
2006	Mar 27	Oct 13	Mar 27	Nov 2
2005	Mar 29	Oct 25	Mar 18	Nov 17
2004	Apr 2	Nov 13	Feb 27	Dec 1
2003	Apr 11	Nov 24	Apr 1	Nov 24
2002	Apr 6	Oct 14	Apr 5	Nov 7
2001	Apr 19	Oct 17	Apr 2	Nov 21
2000	Apr 10	Oct 9	Apr 10	Oct 9
1999	Mar 23	Oct 24	Mar 16	Oct 24
1998	Apr 11	Nov 11	Mar 22	Dec 9
1997	Apr 18	Oct 28	Apr 15	Nov 4
1996	Apr 16	Oct 19	Apr 6	Oct 19
1995	Apr 14	Sep 23	Mar 11	Nov 3
1994	Apr 7	Oct 26	Apr 7	Oct 26
1993	Apr 23	Oct 28	Mar 20	Oct 30
1992	Apr 28	Oct 19	Apr 4	Nov 7
1991	Apr 1	Oct 7	Mar 31	Nov 2
1990	Apr 18	Oct 19	Apr 13	Nov 6
1989	May 7	Sep 24	Apr 12	Oct 20
1988	Apr 20	Oct 12	Mar 21	Oct 30
1987	Apr 6	Oct 3	Apr 6	Oct 21
1986	Apr 23	Oct 14	Apr 22	Nov 10
1985	Apr 10	Oct 1	Apr 9	Nov 8
1984	Apr 24	Nov 2	Apr 18	Nov 2
1983	Apr 26	Oct 26	Apr 16	Nov 12
1982	Apr 24	Oct 21	Apr 24	Oct 22
1981	Apr 6	Oct 19	Mar 24	Oct 24
1980	no data	Oct 25	no data	Oct 26
1979	Apr 28	Oct 5	Apr 5	Nov 4
1978	Apr 21	Oct 17	Mar 28	Nov 28
1977	Apr 25	Oct 17	Mar 24	Nov 11
1976	Apr 10	Oct 9	Mar 23	Oct 28
1975	Apr 13	Oct 19	Apr 5	Nov 14
1974	no data	Nov 6	no data	Nov 15
1973	Apr 12	Nov 6	Apr 12	Nov 6
1972	Apr 6	Nov 22	Apr 4	Nov 24
1971	Apr 15	Nov 4	Apr 8	Nov 7
1970	Apr 7	Oct 10	Apr 3	Nov 16
1969	Mar 31	Oct 28	Mar 30	Oct 28
1968	Apr 15	Oct 25	Mar 24	Oct 25
1967	May 3	Oct 28	Mar 19	Nov 4
1966	Apr 11	Oct 16	Apr 7	Oct 16
1965	Apr 1	Oct 12	Mar 27	Oct 25
1964	Apr 10	Oct 6	Apr 10	Oct 20
1963	May 2	Sep 30	Mar 27	Oct 29
1962	Apr 17	Oct 24	Apr 16	Nov 4
1960	May 1	Oct 20	Apr 4	Oct 20
1959	Apr 15	Oct 18	Apr 14	Oct 28
1958	Apr 12	Oct 27	Mar 29	Nov 7
1957	Apr 15	Oct 26	Apr 14	Oct 26
1956	Apr 23	Oct 29	Apr 8	Nov 8
1955	Apr 8	Oct 25	Mar 29	Oct 31
1954	May 4	Oct 30	Apr 1	Oct 30
1951	Apr 23	no data	Apr 17	no data

"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.