University, MS: frost dates by year

Last spring and first fall frost at NOAA station USC00229079, 1951 to 2025, measured from daily minimum temperatures.

Elevation 408 ft, 34.373, -89.531. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 6	Oct 27
Earliest	Mar 4 (2009)	Sep 29 (1967)
Latest	May 4 (2013)	Nov 27 (2009)
Trend	0.9 days earlier per decade	1.8 days later per decade
Years with data	72	72

At 28°F (hard freeze) the median last spring date is Mar 23 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	Mar 22	Nov 3	Mar 21	Nov 10
2024	Mar 20	Nov 22	Mar 20	Nov 29
2023	Mar 21	Oct 31	Mar 21	Nov 1
2022	Apr 2	Oct 18	Mar 14	Oct 19
2021	Apr 3	Nov 4	Apr 3	Nov 5
2020	Apr 15	Nov 2	Apr 15	Nov 2
2019	Apr 2	Nov 1	Mar 7	Nov 1
2018	Apr 16	Oct 22	Apr 8	Nov 10
2017	Mar 16	Oct 29	Mar 16	Oct 29
2016	Mar 22	Nov 20	Mar 22	Nov 20
2015	Mar 29	Nov 14	Mar 8	Nov 22
2014	Apr 16	Nov 1	Mar 27	Nov 2
2013	May 4	Nov 13	Mar 28	Nov 13
2012	Mar 4	Oct 29	Feb 25	Oct 30
2011	Mar 17	Oct 29	Feb 12	Nov 18
2010	Mar 7	Oct 30	Mar 6	Nov 6
2009	Mar 4	Nov 27	Mar 4	Nov 27
2008	Apr 15	Oct 28	Mar 25	Oct 28
2007	Apr 9	no data	Apr 8	no data
2006	Mar 26	Oct 13	Mar 26	Nov 3
2005	Mar 9	Oct 24	Mar 2	Nov 17
2004	Apr 14	Nov 26	Mar 10	Dec 2
2003	Mar 31	Nov 24	Mar 31	Nov 25
2002	Apr 6	Nov 13	Mar 22	Nov 17
2001	Apr 18	Oct 17	Mar 27	Oct 28
2000	Apr 9	Oct 8	Mar 13	Oct 9
1999	Apr 18	Oct 24	Mar 27	Nov 3
1998	Mar 22	Oct 23	Mar 22	Nov 6
1997	no data	Oct 28	no data	Nov 16
1996	Apr 16	Nov 3	Apr 10	Nov 3
1995	Apr 2	Oct 21	Apr 2	Nov 4
1994	Apr 2	Oct 26	Apr 1	Nov 24
1993	Apr 17	Oct 28	Apr 17	Oct 31
1992	no data	Oct 12	no data	Nov 7
1991	Mar 31	Oct 7	Mar 14	Oct 7
1990	Apr 8	Oct 19	Mar 20	Nov 6
1989	Apr 14	Oct 20	Apr 12	Oct 20
1988	Mar 19	Nov 17	Mar 17	Nov 29
1987	Apr 6	no data	Apr 5	no data
1986	Apr 23	Nov 13	Mar 23	Nov 13
1985	Apr 10	Nov 5	Apr 9	Nov 5
1984	Apr 18	Oct 1	Mar 11	Nov 12
1983	Apr 25	Oct 27	Apr 19	Nov 6
1982	Apr 24	Oct 21	Apr 11	Oct 23
1981	Apr 6	Oct 3	Mar 24	Oct 24
1980	Apr 15	Oct 5	Mar 22	Oct 30
1979	Apr 5	Oct 14	Mar 26	Nov 3
1978	Apr 21	Oct 7	Mar 18	Oct 8
1977	Apr 6	Oct 12	Mar 23	Oct 13
1976	May 4	Oct 18	Mar 17	Oct 18
1975	Apr 13	Oct 3	Apr 12	Nov 14
1974	Apr 10	Oct 21	Apr 9	Nov 15
1973	Apr 11	Nov 6	Apr 11	Nov 10
1972	Apr 5	Oct 20	Apr 2	Nov 23
1971	Apr 8	Nov 4	Apr 8	Nov 4
1970	Apr 3	Oct 17	Mar 27	Nov 4
1969	Mar 28	Oct 28	Mar 28	Nov 5
1968	Apr 6	Oct 25	Mar 25	Oct 29
1967	Mar 22	Sep 29	Mar 19	Nov 4
1966	Apr 10	Oct 26	Mar 29	Nov 3
1965	Mar 28	Oct 25	Mar 22	Oct 25
1964	Apr 10	Oct 6	Mar 31	Nov 21
1963	Mar 27	Oct 29	Mar 22	Oct 29
1962	Apr 16	Oct 24	Apr 16	Nov 10
1961	Apr 18	Oct 15	Mar 10	Oct 27
1959	Mar 23	Nov 6	Mar 7	Nov 7
1958	Mar 21	Nov 7	Mar 20	Nov 29
1957	Apr 13	Oct 27	Mar 8	Oct 27
1956	Mar 25	Nov 9	Mar 20	Nov 9
1955	Mar 29	Nov 4	Mar 29	Nov 4
1954	Apr 1	Oct 31	Mar 16	Nov 3
1953	Apr 19	Nov 6	Feb 23	Nov 9
1952	Mar 23	Oct 7	Mar 16	Oct 21
1951	Mar 21	Nov 2	Mar 13	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.