Jackson, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00234226, 1951 to 2021, measured from daily minimum temperatures.

Elevation 440 ft, 37.378, -89.668. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 10	Oct 20
Earliest	Mar 11 (2012)	Sep 23 (1983)
Latest	May 4 (1976)	Nov 10 (2016)
Trend	1.5 days earlier per decade	1.1 days later per decade
Years with data	67	69

At 28°F (hard freeze) the median last spring date is Mar 31 and the median first fall date is Nov 2.

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
2021	Apr 23	Nov 4	Apr 2	Nov 4
2020	Apr 19	Nov 2	Mar 8	Nov 2
2019	Apr 16	Oct 31	Apr 2	Nov 1
2018	Apr 20	Oct 21	Apr 8	Nov 10
2017	Mar 20	Oct 29	Mar 17	Nov 10
2016	Apr 9	Nov 10	Mar 6	Nov 20
2015	Mar 30	Oct 18	Mar 29	Nov 22
2014	Apr 16	Nov 1	Mar 31	Nov 2
2013	Apr 21	Oct 25	Mar 28	Oct 25
2012	Mar 11	Oct 31	Mar 5	Nov 13
2011	Mar 29	Oct 21	Mar 13	Nov 11
2010	Mar 27	Nov 6	Mar 7	Nov 6
2009	Apr 9	Oct 18	Mar 14	Nov 27
2008	Apr 16	Oct 28	Mar 25	Oct 28
2007	Apr 10	Oct 29	Apr 10	Nov 7
2006	Mar 30	Oct 13	Mar 27	Oct 24
2005	no data	Oct 26	no data	Nov 17
2004	Apr 5	Nov 5	Mar 13	Nov 25
2002	Apr 5	Oct 14	Mar 27	Nov 2
2001	Apr 18	Oct 17	Mar 27	Oct 28
2000	Apr 10	Oct 8	Mar 12	Oct 9
1999	Mar 27	Oct 24	Mar 27	Nov 3
1998	Mar 22	Nov 5	Mar 22	Nov 7
1997	Apr 18	Oct 22	Apr 9	Nov 16
1996	Apr 10	Nov 2	Apr 7	Nov 3
1995	Apr 2	Oct 25	Apr 1	Nov 4
1994	Apr 7	Oct 26	Apr 7	Nov 23
1993	Apr 22	Oct 28	Mar 18	Nov 1
1992	Apr 28	Oct 19	Apr 3	Nov 15
1991	Mar 31	Oct 7	Mar 31	Nov 2
1990	Apr 18	Oct 11	Apr 12	Oct 29
1989	Apr 11	Oct 19	Apr 11	Oct 21
1988	Apr 27	Oct 13	Mar 19	Nov 17
1987	Apr 4	Oct 3	Apr 4	Oct 4
1986	Apr 23	Oct 15	Mar 22	Nov 10
1985	Apr 9	Oct 2	Apr 9	Nov 5
1984	Apr 7	Oct 1	Apr 1	Nov 2
1983	no data	Sep 23	no data	Nov 5
1981	Mar 25	Oct 24	Mar 20	Oct 24
1980	Apr 16	Oct 5	Mar 22	Oct 26
1979	Apr 6	Oct 10	Mar 26	Oct 14
1978	Apr 22	Oct 8	Mar 18	Nov 8
1977	Mar 23	Oct 13	Mar 7	Nov 12
1976	May 4	Oct 17	Mar 17	Oct 18
1975	Apr 5	Oct 19	Apr 4	Nov 14
1974	Apr 17	Oct 3	Apr 9	Nov 13
1973	Apr 14	Nov 6	Apr 11	Nov 6
1972	Apr 9	Oct 19	Apr 8	Nov 23
1971	Apr 14	Nov 4	Apr 7	Nov 4
1970	Apr 7	Oct 17	Mar 27	Nov 6
1969	Mar 31	Oct 28	Mar 31	Oct 28
1968	Apr 6	Oct 25	Apr 6	Oct 29
1967	Mar 22	Oct 11	Mar 19	Oct 28
1966	Apr 10	Oct 17	Apr 10	Nov 2
1965	Mar 31	Oct 24	Mar 27	Nov 19
1964	Apr 9	Oct 6	Apr 9	Oct 10
1963	May 1	Oct 30	Mar 22	Oct 30
1962	Apr 16	Oct 24	Apr 16	Oct 24
1961	May 2	Oct 15	Apr 4	Oct 26
1960	May 1	Oct 20	Apr 10	Oct 21
1959	Apr 23	Oct 18	Apr 14	Oct 28
1958	Apr 12	Nov 3	Apr 8	Nov 7
1957	Apr 15	Oct 20	Apr 14	Oct 28
1956	Apr 23	Nov 9	Mar 30	Nov 9
1955	Apr 8	Oct 19	Mar 30	Oct 31
1954	May 4	Oct 30	Apr 1	Nov 2
1953	Apr 20	Oct 29	Apr 19	Oct 30
1952	Apr 7	Oct 7	Apr 7	Oct 7
1951	Apr 23	Oct 20	Apr 17	Nov 2

"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.