Mobile, AL: frost dates by year

Last spring and first fall frost at NOAA station USW00013894, 1951 to 2024, measured from daily minimum temperatures.

Elevation 208 ft, 30.679, -88.240. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 3	Nov 24
Earliest	Jan 9 (2017)	Oct 28 (1957)
Latest	Apr 5 (1987)	Dec 23 (1967)
Trend	little change (less than half a day per decade)	little change (less than half a day per decade)
Years with data	74	74, 2 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 11 and the median first fall date is Dec 8.

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	Feb 19	Nov 30	Jan 21	none
2023	Mar 20	Nov 29	none	none
2022	Mar 13	Nov 18	Feb 14	Dec 23
2021	Feb 23	Nov 27	Feb 20	none
2020	Feb 28	Nov 30	Jan 22	Dec 1
2019	Mar 6	Nov 12	none	Nov 13
2018	Jan 31	Nov 15	Jan 19	none
2017	Jan 9	Dec 9	Jan 8	none
2016	Feb 10	Nov 22	Feb 10	none
2015	Mar 7	Nov 23	Mar 6	none
2014	Mar 26	Nov 14	Feb 7	Nov 18
2013	Mar 27	Nov 13	Mar 27	Nov 28
2012	Feb 13	Nov 24	Feb 12	Dec 22
2011	Mar 11	Nov 11	Feb 13	Dec 1
2010	Mar 7	Dec 2	Mar 4	Dec 7
2009	Mar 3	Nov 27	Feb 5	Dec 29
2008	Mar 9	Oct 29	Jan 21	Nov 22
2007	Mar 6	Nov 16	Feb 19	none
2006	Feb 27	Nov 20	Feb 13	Dec 5
2005	Feb 11	Nov 18	Jan 24	Dec 22
2004	Feb 19	Dec 14	Feb 8	Dec 15
2003	Mar 31	Nov 25	Jan 25	Dec 20
2002	Mar 23	Nov 23	Mar 6	Dec 7
2001	Feb 5	Dec 21	Jan 23	Dec 26
2000	Feb 7	Nov 20	Feb 6	Nov 21
1999	Mar 4	Dec 7	Jan 11	Dec 26
1998	Mar 13	none	Mar 12	none
1997	Feb 16	Nov 16	Feb 11	Nov 17
1996	Mar 22	Dec 18	Mar 10	Dec 18
1995	Feb 12	Dec 9	Feb 9	Dec 10
1994	Feb 14	Dec 12	Feb 3	none
1993	Mar 15	Oct 31	Mar 14	Nov 1
1992	Feb 10	Nov 30	Jan 21	none
1991	Feb 16	Nov 4	Feb 16	Nov 4
1990	Mar 21	Dec 5	none	Dec 24
1989	Feb 25	Nov 17	Feb 25	Dec 4
1988	Mar 16	Dec 2	Mar 15	Dec 13
1987	Apr 5	Nov 12	Feb 10	Dec 17
1986	Mar 22	Nov 14	Mar 22	none
1985	Feb 16	Dec 3	Feb 16	Dec 14
1984	Mar 7	Nov 23	Mar 1	Dec 7
1983	Mar 25	Nov 25	Jan 17	Dec 24
1982	Mar 8	Nov 6	Mar 8	Dec 12
1981	Feb 13	Nov 21	Feb 12	Dec 18
1980	Mar 3	Nov 20	Mar 3	Dec 26
1979	Feb 11	Nov 29	Feb 11	Nov 30
1978	Mar 5	Dec 9	Mar 5	Dec 10
1977	Feb 21	Dec 6	Feb 16	Dec 7
1976	Feb 8	Nov 9	Feb 8	Nov 29
1975	Feb 8	Dec 18	Jan 21	Dec 18
1974	Feb 27	Dec 1	Feb 26	none
1973	Feb 17	Dec 8	Feb 11	Dec 8
1972	Feb 20	Dec 1	Feb 4	Dec 17
1971	Mar 8	none	Feb 14	none
1970	Mar 14	Nov 17	Feb 4	Nov 24
1969	Mar 13	Nov 14	Jan 13	Nov 14
1968	Mar 24	Nov 13	Mar 1	Dec 9
1967	Feb 26	Dec 23	Feb 26	Dec 24
1966	Mar 7	Nov 2	Feb 4	Nov 3
1965	Mar 21	Dec 1	Feb 25	none
1964	Feb 24	Nov 22	Feb 23	Dec 1
1963	Feb 27	Dec 14	Feb 27	Dec 15
1962	Mar 7	Dec 6	Feb 7	Dec 11
1961	Feb 5	Nov 30	Jan 30	Dec 25
1960	Mar 13	Dec 1	Mar 6	Dec 2
1959	Feb 21	Nov 6	Jan 23	Nov 7
1958	Feb 21	Nov 29	Feb 20	Nov 29
1957	Mar 9	Oct 28	Jan 19	Dec 1
1956	Jan 17	Nov 10	Jan 14	Nov 23
1955	Mar 27	Nov 28	Mar 27	Nov 29
1954	Mar 4	Nov 3	Feb 8	Dec 20
1953	Feb 18	Dec 15	none	Dec 18
1952	Jan 30	Nov 22	none	Dec 15
1951	Mar 13	Nov 3	Feb 8	Nov 8

"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.