Winona 5 E, MS: frost dates by year

Last spring and first fall frost at NOAA station USC00229743, 1953 to 2024, measured from daily minimum temperatures.

Elevation 392 ft, 33.485, -89.624. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 9	Oct 30
Earliest	Mar 5 (2012)	Oct 3 (1984)
Latest	Apr 24 (1986)	Nov 27 (1958)
Trend	little change (less than half a day per decade)	little change (less than half a day per decade)
Years with data	69	63

At 28°F (hard freeze) the median last spring date is Mar 23 and the median first fall date is Nov 9.

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
2024	Mar 21	Nov 23	Mar 20	Dec 3
2023	Mar 21	Oct 31	Mar 21	Nov 1
2022	Apr 10	Oct 19	Apr 10	Oct 19
2021	Apr 4	Nov 7	Apr 4	Nov 14
2020	Apr 17	Nov 2	Mar 7	Nov 24
2019	Apr 4	Nov 1	Mar 21	Nov 1
2018	Apr 17	Oct 22	Apr 17	Nov 10
2017	Apr 9	Oct 29	Mar 16	Oct 29
2016	Mar 23	Nov 11	Mar 23	Nov 20
2015	Mar 28	Nov 14	Mar 8	Nov 22
2014	Apr 17	Nov 2	Mar 27	Nov 2
2013	Apr 21	Nov 8	Mar 28	Nov 13
2012	Mar 5	Oct 30	Mar 4	Nov 13
2011	Mar 17	Oct 21	Mar 12	Nov 11
2010	Mar 8	Oct 30	Mar 7	Nov 6
2009	Apr 9	no data	Mar 5	no data
2008	Apr 17	Oct 28	Apr 16	Oct 29
2007	Apr 17	Nov 7	Apr 8	Nov 7
2006	Mar 27	no data	Mar 26	no data
2004	Apr 15	Nov 6	Mar 12	Dec 2
2003	Mar 31	Nov 14	Mar 31	Nov 25
2002	Apr 6	Nov 7	Mar 23	Nov 17
2001	Apr 19	Oct 18	Mar 17	Oct 28
2000	Apr 10	Oct 9	Apr 9	Oct 11
1999	Apr 19	Oct 21	Mar 28	Oct 24
1998	Apr 11	Oct 24	Mar 23	Nov 6
1997	Apr 19	Oct 23	Feb 24	Nov 16
1996	Apr 16	no data	Apr 11	no data
1995	Apr 1	no data	Mar 11	no data
1994	Apr 9	Oct 27	Apr 1	Nov 24
1993	Apr 22	Oct 11	Mar 16	Oct 31
1992	Apr 4	Nov 7	Apr 3	Nov 7
1991	Mar 31	Oct 7	Mar 15	Nov 3
1990	Apr 9	Oct 19	Apr 9	Oct 27
1989	Apr 12	Oct 20	Apr 12	Nov 4
1988	Mar 20	Nov 18	Mar 17	Nov 29
1987	Apr 6	Oct 5	Apr 6	Oct 22
1986	Apr 24	Nov 13	Mar 24	Nov 14
1985	Mar 20	Nov 5	Mar 18	Nov 8
1984	Mar 31	Oct 3	Mar 12	Nov 14
1983	Apr 20	Nov 6	Mar 25	Nov 18
1982	Apr 12	Oct 25	Mar 9	Nov 5
1981	Mar 26	Oct 20	Mar 21	Nov 21
1980	Apr 16	Oct 31	Mar 16	Oct 31
1979	Mar 27	Nov 4	Mar 27	Nov 14
1978	Mar 29	Oct 15	Mar 18	Nov 9
1977	Apr 7	Oct 13	Mar 24	Nov 11
1976	Apr 10	Oct 21	Mar 18	Oct 21
1975	Apr 5	Nov 14	Apr 5	Nov 14
1974	Apr 11	Nov 13	Mar 23	Nov 13
1973	Apr 12	Oct 29	Apr 12	Nov 11
1972	Apr 10	Nov 16	Apr 2	Nov 24
1971	Apr 9	Nov 4	Apr 8	Nov 8
1970	Apr 6	Nov 4	Apr 3	Nov 16
1969	Mar 29	Nov 4	Mar 28	Nov 4
1968	Apr 6	Oct 26	Mar 26	Oct 29
1967	Mar 22	no data	Mar 18	no data
1966	Apr 6	Oct 20	Mar 26	Nov 3
1965	Mar 23	Oct 25	Mar 23	Oct 25
1964	Apr 11	Oct 20	Mar 31	Nov 21
1962	Apr 16	Nov 4	Mar 7	Nov 10
1961	Apr 16	Oct 20	Mar 10	Nov 9
1960	Mar 22	no data	Mar 22	no data
1959	Apr 14	Nov 6	Feb 21	Nov 7
1958	Mar 28	Nov 27	Mar 21	Nov 29
1957	Apr 13	Oct 27	Mar 8	Oct 28
1956	Mar 25	Nov 9	Mar 20	Nov 9
1955	Mar 29	Oct 25	Mar 29	Nov 4
1953	Apr 19	Nov 6	Feb 22	Nov 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.