Frost history / Jacksonville Nas, FL

Jacksonville Nas, FL: frost dates by year

Last spring and first fall frost at NOAA station USW00093837, 1951 to 2024, measured from daily minimum temperatures.

Elevation 20 ft, 30.233, -81.667. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Feb 13	Dec 10
Earliest	Jan 8 (2014)	Nov 3 (1954)
Latest	Mar 19 (1985)	Dec 27 (2001)
Trend	1.0 days earlier per decade	2.1 days later per decade
Years with data	69, 11 with no freeze	70, 29 with no freeze

At 28°F (hard freeze) the median last spring date is Jan 28 and the median first fall date is Dec 18.

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	none	none	none	none
2023	none	none	none	none
2022	Jan 30	Dec 24	none	Dec 24
2021	none	none	none	none
2020	none	Dec 26	none	none
2019	none	none	none	none
2018	Jan 19	none	Jan 18	none
2017	Jan 8	no data	none	no data
2016	Jan 24	none	none	none
2015	Feb 20	none	none	none
2014	Jan 8	none	Jan 7	none
2013	Feb 18	none	none	none
2012	Feb 13	none	none	none
2011	Jan 23	none	none	none
2010	Feb 26	Dec 7	Jan 11	Dec 14
2009	Feb 6	none	Feb 5	none
2008	Feb 28	none	Jan 3	none
2007	Feb 17	no data	none	no data
2006	no data	none	no data	none
2005	no data	none	no data	none
2004	Jan 29	none	none	none
2003	Jan 25	none	Jan 25	none
2002	Feb 28	none	none	none
2001	no data	Dec 27	no data	none
1998	none	none	none	none
1997	Jan 19	none	none	none
1996	Mar 9	Dec 20	Mar 9	Dec 20
1995	Feb 9	Dec 11	Feb 9	Dec 25
1994	Feb 3	none	none	none
1993	Mar 14	Dec 12	none	none
1992	Feb 9	none	Jan 17	none
1991	Feb 17	none	Feb 16	none
1990	none	none	none	none
1989	Feb 26	Dec 4	Feb 25	Dec 23
1988	Mar 17	Dec 13	Jan 28	Dec 18
1987	Feb 11	Nov 13	Jan 24	none
1986	Mar 2	none	Jan 28	none
1985	Mar 19	Dec 15	Feb 16	Dec 26
1984	Mar 2	Nov 30	Jan 1	Dec 7
1983	Feb 9	Dec 24	Jan 17	Dec 24
1982	Jan 27	Dec 22	Jan 16	none
1981	Feb 12	Nov 15	Feb 12	Nov 15
1980	Mar 4	Nov 29	Mar 4	none
1979	Feb 19	Nov 30	Feb 11	none
1978	Mar 6	Dec 10	Feb 23	none
1977	Feb 22	Dec 7	Feb 7	Dec 23
1976	Feb 9	Nov 9	Jan 18	Nov 9
1975	Mar 3	Nov 24	none	Dec 19
1974	Feb 26	Dec 18	Feb 26	Dec 18
1973	Jan 30	Dec 11	none	Dec 18
1972	none	Dec 17	none	none
1971	Feb 14	none	Jan 21	none
1970	Feb 4	Nov 24	Feb 4	Nov 24
1969	none	Nov 15	none	none
1968	Mar 1	Nov 13	none	Dec 16
1967	Feb 27	none	Feb 26	none
1966	Feb 6	Dec 25	Jan 31	none
1965	Feb 26	Dec 9	Jan 18	none
1964	Jan 15	Dec 1	Jan 15	none
1963	Feb 27	Dec 19	Jan 24	Dec 25
1962	Mar 6	Dec 7	Jan 13	Dec 7
1961	Jan 22	Dec 25	Jan 22	Dec 25
1960	Mar 6	Dec 13	Jan 24	Dec 13
1959	Jan 18	Nov 30	Jan 17	none
1958	Feb 20	none	Feb 19	none
1957	Jan 18	Dec 1	none	Dec 12
1956	Jan 10	none	none	none
1955	Feb 13	Nov 30	Feb 12	none
1954	none	Nov 3	none	none
1953	none	Dec 18	none	none
1952	Jan 30	Dec 15	none	none
1951	Feb 9	Dec 16	Feb 2	none

"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.